CN106786313A - A kind of anti-structure that lead comes off excessively - Google Patents
A kind of anti-structure that lead comes off excessively Download PDFInfo
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- CN106786313A CN106786313A CN201710102124.4A CN201710102124A CN106786313A CN 106786313 A CN106786313 A CN 106786313A CN 201710102124 A CN201710102124 A CN 201710102124A CN 106786313 A CN106786313 A CN 106786313A
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- China
- Prior art keywords
- lead
- hauling rope
- insulator
- fluorosioloxane rubber
- strain insulator
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- 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
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
Abstract
The invention provides a kind of anti-structure that lead comes off excessively, including grounding switch, cross lead, fixed frame and the strain insulator and suspension insulator that are installed on fixed frame, the lead of crossing is connected with strain insulator and suspension insulator respectively, and strain insulator is provided with the hauling rope that prevented lead from releasing with and between the mistake lead that is connected of suspension insulator.Caused by can preventing lead from coming off using the structure of the present invention offer situations such as short circuit tripping operation, because the present invention can be implemented under no cut-off condition, and can keep running well in the case where the situation that lead and insulator depart from is crossed, it is to avoid the forced outage of supply line, improve power supply reliability.Present invention also offers a kind of insulating cord with damp-proof layer as hauling rope so that said structure can also normally run in complicated sleety weather.
Description
Technical field
The present invention relates to high pressure electrical domain, specifically, be related to it is a kind of it is anti-cross the structure that lead comes off, including hauling rope with
And the structure and preparation method of hauling rope.
Background technology
There are all kinds of hidden danger in high-voltage electric power circuit, may after running a period of time under complicated weather conditions in construction
There is line fault or electrical hazard.Wherein more typically metal bolt comes off in circuit operation, is likely to result in lead and takes off
The problem for falling.
The Chinese patent of Application No. 201620063293.2 discloses a kind of wire insulation supporting plate structure, including wire
Insulating carriage and for wire insulation support frame to be fixed into fixed mount on utility poles, the wire insulation support frame includes
The first insulation support plate, the second insulation support plate and the 3rd insulation support plate that mutual bolt is fixed, first insulating supporting
Plate, the second insulation support plate and the 3rd insulation support plate one triangular structure of end to end composition, first insulating supporting
Plate horizontally set is the base of triangular structure, and second insulation support plate and the 3rd insulation support plate constitute above-mentioned triangle
Two sides of structure, the first insulation support plate two ends are outwards provided with one section of extension, are provided with the extension
High pressure bare wire geometrical clamp, the upper end of second insulation support plate is additionally provided with other phase high pressure bare wire clip slot.The patent Shen
The wire that please be prevented from adjacent shaft tower comes off from insulator and causes line-to-ground or phase fault.But the patent
Apply for that the structure for providing is relative complex, cost and labor costs can be improved using this structure when many shaft towers are transmitted electricity over long distances.
In view of this, it is special to propose the present invention.
The content of the invention
The present invention is intended to provide a kind of anti-structure that lead comes off excessively, connected lead and strain insulator insulated using hauling rope
Son, being reached in the case where suspension insulator comes off with the metal bolt for crossing lead prevented lead from releasing caused short circuit tripping operation
Purpose.
To achieve the above object, specifically adopt the following technical scheme that：
It is a kind of it is anti-cross the structure that comes off of lead, including grounding switch 5, cross lead 1, fixed frame 4 and be installed on fixed frame
Strain insulator 2 on frame 4 and suspension insulator 3, it is described cross lead 1 respectively with strain insulator 2 and the phase of suspension insulator 3
Even, strain insulator 2 is provided with the hauling rope 6 that prevented lead 1 from releasing with and between the mistake lead 1 that is connected of suspension insulator 3.It is described
Cross lead 1 to be also in series with grounding switch 5, can control whether grounding switch 5 is grounded by electronic box, to tackle power supply, maintenance
Etc. situation.
Suspension insulator with cross lead usually using parallel hanging plate and screw connection, in rigging up and debugging or long-term use
During, due to the influence of climatic environment, such as in windy area, crossing the long-term vibrations of lead causes the screw worked itself loose of parallel hanging plate
It is de-, if crossing lead loses traction, it will cause phase fault, gently then cause tripping operation, it is heavy then be likely to result in the station equipment that boosts and damage
And cause a series of serious consequence.And robbing the stressful times of generated energy, it is found that above-mentioned situation is stopped to thoroughly treatment needs
Fortune unit, causes the loss of up to ten million degree electricity, and the expense started shooting again is not included also.
Present invention employs a kind of simple hitch structure, lead 1 will be crossed and is connected with strain insulator 2, prevent by
The generation of the caused short circuit phenomenon that come off in lead 1 excessively.
Further scheme of the invention is：When suspension insulator 3 is released with mistake lead 1, the mistake being connected with hauling rope 6 is drawn
The position in space of line 1 keeps constant.
In such scheme, hauling rope 6 connected lead 1 and strain insulator 2 so that suspension insulator 3 with cross lead 1 it
Between parallel hanging plate thread off when kept the locus of lead 1 constant, it is ensured that the clearance between power transmission line, prevent accident from sending out
It is raw.
Further scheme of the invention is：The structure includes the first strain insulator 21 and the second strain insulator 22,
The end of suspension insulator 3 with cross lead 1 be connected and be partial to the second strain insulator 22 direction setting；The structure be provided with to
A few hauling rope 6, one end of hauling rope 6 with and the mistake lead 1 of the joining distal ends of suspension insulator 3 be connected, the other end and first
Powered side and/or not charged side on strain insulator 21 are mutually fixedly connected.
In such scheme, hauling rope 6 is connected lead 1 is crossed with the powered side of the first strain insulator 21, in condition of power supply
Under, the current potential at the two ends of hauling rope 6 is identical, can play good insulation draw.
Further scheme of the invention is：The lead 1 of crossing is made up of at least two wires, and interval is provided between the wire
Rod 11, the hauling rope 6 is fixed on the conductor spacer 11 of the end of suspension insulator 3.
In such scheme, hauling rope 6 is connected with the conductor spacer on lead 1 excessively and be joined directly together rather than with lead excessively, prevents
Cross the creepage phenomenon that may occur between lead 1 and fixed frame 4, and it is convenient to carry out in rope threading operations.
Further scheme of the invention is：The structure is provided with two hauling ropes 6, respectively with the first strain insulator 21
Powered side is connected with not charged side.
In such scheme, be provided with two hauling ropes 6, respectively with the powered side of the first distant strain insulator 21 and
Not charged side is connected, and the angle for drawing lead is constant, can play a part of optimal to release lead 1 to fixation.
Further scheme of the invention is：The hauling rope 6 includes at least two flexible cables, and the flexible cable has protection against the tide
Insulation function.
In such scheme, under the conditions of power failure, due to the first strain insulator 21 and one end ground connection that lead 1 is connected excessively,
And be connected with suspension insulator 3 to cross lead 1 powered, therefore potential difference is generated between hauling rope 6, and because hauling rope 6 is used
Insulation and moisture material, it can be ensured that can also keep traction effect in this case.
In such scheme, if using a flexible cable, it is impossible to by the colligation of flexible cable two ends, annular is formed, operation difficulty increases
Greatly, and cannot play a part of to consolidate lead 1, therefore from the flexible cable of more than two, one for drawing lead, separately
One coordinates traction flexible cable.
Present invention also offers a kind of hauling rope, including insulation wire rope core 61, at least one of which is surrounded by outside the insulation wire rope core 61
Damp-proof layer 62.
Due to the presence of creepage phenomenon, there is electric arc in insulating cord between crossing lead 1 with charged metal in the precipitation wet environment,
So that the insulation reduction of hauling rope 6 turns on electric current, hauling rope 6 is burnt, and the hauling rope 6 after burning cannot play the work of drawing
With, therefore damp-proof treatment is carried out to it, in the outer increase damp-proof layer 62 of the insulation wire rope core 61 of hauling rope 6.
The further scheme of above-mentioned hauling rope is：The damp-proof layer 62 includes internal layer fluorosioloxane rubber 621 and outer layer fluorine silicon rubber
Glue 622, the coated insulation wire rope core 61 of internal layer fluorosioloxane rubber 621, the cladding internal layer of outer layer fluorosioloxane rubber 622 fluorosioloxane rubber 621.
The further scheme of above-mentioned hauling rope is：The radius of the insulation wire rope core 61 and the thickness ratio of damp-proof layer 62 are 5:
2, the thickness of internal layer fluorosioloxane rubber 621 is 1 with the thickness ratio of outer layer fluorosioloxane rubber 622:3.
In such scheme, using internal layer fluorosioloxane rubber 621 and the double-deck moisture-proof construction of outer layer fluorosioloxane rubber 622, internal layer can be with
Combined and prevent moisture from immersing with insulation wire rope core well, and the hole that outer layer is left when being then molded to internal layer surface is filled up,
Using above-mentioned radius and thickness than insulation wire rope core 61 and damp-proof layer 62 so that hauling rope 6 also has splendid holding on rainy day
Load phase voltage ability, will not be burnt because of insulation breakdown causes drawing effect to disappear.
Present invention also offers a kind of preparation method of hauling rope, comprise the following steps：
(1) take in insulation wire rope core immersion fluorosioloxane rubber coating, kept for 8~15 minutes；
(2) the insulation wire rope core after immersion in step (1) is taken out and is dried 1~2 hour, obtain being coated with internal layer fluorosioloxane rubber
Hauling rope；
(3) hauling rope after being dried in step (2) is again dipped into fluorosioloxane rubber coating, is kept for 2~5 minutes；
(4) hauling rope after immersion in step (3) is dried 1~2 hour, obtains being coated with internal layer fluorosioloxane rubber and outer layer
The hauling rope of fluorosioloxane rubber.
Hauling rope to being made is measured, and is measured with 2500V megameters, and insulaion resistance is more than 10G Ω；Carry out power frequency resistance to
Pressure experiment, under the conditions of 100KV/0.5m, continues 5 minutes, as a result meets the requirement of GB/T 13035-2008；Be broken by force
Degree is determined, rope diameter 6mm, and fracture strength is more than 4KN, meets GB/T13035-2008 requirements.
Beneficial effects of the present invention are：
1. anti-lead dropping structure of crossing of the invention is simply effective, compared to the treatment that has a power failure there is equipment not have a power failure, operates letter
The characteristics of list, low cost, less manpower；
2. the present invention proposes a kind of hauling rope for being used to realize anti-lead dropping structure excessively, with insulation wire rope core and protection against the tide
Layer, can well tackle complicated climatic environment；
3. present invention also offers a kind of method for manufacturing hauling rope so that the hauling rope being made has sandwich construction, can
To meet the effect of insulation and moisture；
4. intensity of the hauling rope that the present invention is provided after damp-proof layer is increased was unchanged with before, was applicable to various feelings
Condition.
Brief description of the drawings
Fig. 1 is the anti-schematic diagram for crossing lead dropping structure of the present invention.
Fig. 2 was the connection diagram of lead and conductor spacer.
Fig. 3 is the radial section schematic diagram of hauling rope.
Fig. 4 is the structural representation of the embodiment of the present invention 2.
Main portions title is as follows in figure：1-cross lead, 11-conductor spacer, 2-strain insulator, 21-the first
Strain insulator, the 22-the second strain insulator, 3-suspension insulator, 4-fixed frame, 5-grounding switch, 6-traction
Rope, 61-insulation wire rope core, 62-damp-proof layer, 621-internal layer fluorosioloxane rubber, 622-outer layer fluorosioloxane rubber.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.Accompanying drawing is simplified schematic diagram, only with signal
Mode illustrates basic structure of the invention, therefore it only shows the composition relevant with invention.
Embodiment 1
As shown in Figures 1 to 3, a kind of anti-structure that lead comes off excessively, including grounding switch 5, crosses lead 1, the He of fixed frame 4
Be installed on strain insulator 2 on fixed frame 4 and suspension insulator 3, it is described cross lead 1 respectively with strain insulator 2 and hang
Formula insulator 3 is connected and is connected with the grounding switch 5 located at ground, strain insulator 2 with and the mistake that is connected of suspension insulator 3 draw
The hauling rope 6 for preventing lead 1 from releasing is provided between line 1.In the present embodiment, grounding switch 5 can control power supply electricity by electronic box
Whether road is grounded, to tackle the situations such as power supply, maintenance.
In the present embodiment, equipment portion electrical point inspection person carries out finding 33516 disconnecting link top B phases when equipment is checked in booster stations
Lead 1 and the connecting plate fixing bolt screw cap-falling of suspension insulator 3 are crossed in outlet, and bolt has dropped out about 2cm, and B phases cross lead to be had at any time
Come off possibility.If this is crossed lead and comes off to be certain to cause 330KV short circuits, gently will then cause No. 3 units and the female jumps of 330KV tri-
Lock, heavy responsibility possibly even causes No. 3 main transformers and boosting station equipment badly damaged, and is robbing the stressful times of generated energy, in discovery
State situation needs stoppage in transit unit to thoroughly treatment, can cause the loss of up to ten million degree electricity, does not include what is started shooting again also
Expense.Therefore a kind of simple hitch structure is employed, lead 1 excessively is connected with strain insulator 2, prevented due to drawing excessively
Line 1 comes off the generation of caused short circuit phenomenon.
In the present embodiment, as shown in figure 1, being provided with the first strain insulator 21 and the insulation of the second strain insulator on fixed frame 4
Son 22, is connected with the transmission pressure on both sides respectively, is provided between the first strain insulator 21 and the second strain insulator 22 partially
To the suspension insulator 3 in the direction of the second strain insulator 22, the first strain insulator 21 it is powered lateral under be connected with and ground connection
Disconnecting link 5 be connected cross lead 1, the other end of grounding switch 5 cross lead 1 upwards respectively with the end of suspension insulator 3 and second
The powered side of strain insulator 22 is connected, and now supply line is in running order, and grounding switch 5 is disconnected with ground.This
In embodiment, hauling rope 6 is connected lead 1 is crossed with the powered side of the first strain insulator 21, under condition of power supply, hauling rope 6
The current potential at two ends is identical, can play good insulation draw.
In the present embodiment, as shown in figure 1, be provided with a hauling rope 6, its one end with and the joining distal ends of suspension insulator 3
Cross lead 1 to be connected, the other end is mutually fixedly connected with the powered side of the first strain insulator 21.
In the present embodiment, as shown in Fig. 2 the lead 1 of crossing is made up of two wires, conductor spacer is provided between the wire
11, the hauling rope 6 is fixed on the conductor spacer 11 of the end of suspension insulator 3.Hauling rope 6 and the interval crossed on lead 1
Rod be connected rather than with cross lead 1 and be joined directly together, prevented to cross the creepage phenomenon that may occur between lead 1 and fixed frame 4.
In the present embodiment, the hauling rope 6 is made up of two flexible cables, and the flexible cable has damp proof insulation function, choosing
With two flexible cables, one is used to draw lead, and another coordinates traction flexible cable.
In the present embodiment, under no cut-off condition, to 330KV booster stations framework top on staff, by hauling rope 6
Plummet is tied up in one end, and plummet is passed through from lead conductor spacer 11 excessively with hauling rope 6, then leads another from fixed frame 4
Straw line 6 is put into ground, and surface personnel connects together two hauling ropes 6, and the personnel on fixed frame 4 carry hauling rope 6
Rise.The length for having estimated hauling rope 6 is knotted, and then hauling rope 6 is jumped to the end of the first strain insulator 21 with insulating bar
End, forms the traction to crossing lead 1.
In the present embodiment, when suspension insulator 3 is released with mistake lead 1, what is be connected with hauling rope 6 crosses lead 1 in space
In position keep it is constant, it is ensured that the clearance between power transmission line, it is therefore prevented that the generation of accident.
In the present embodiment, as shown in figure 3, the hauling rope 6 includes insulation wire rope core 61, two are surrounded by outside the insulation wire rope core 61
Layer damp-proof layer 62.Due to the presence of creepage phenomenon, lead 1 is crossed with charged metal in precipitation wet environment without damp-proof layer insulating cord
Between there is electric arc so that the insulation reduction of hauling rope 6 turns on electric current, has burnt hauling rope 6, and the hauling rope 6 after burning cannot
Play a part of drawing, therefore damp-proof treatment is carried out to it, in the outer increase damp-proof layer 62 of the insulation wire rope core 61 of hauling rope 6.
In the present embodiment, insulation wire rope core 61 is processed using PRTV fluorosioloxane rubber antifouling flush paint, PRTV coating is pulled
It is 2.5 meters, live insulator chain length that disconnected elongation is not less than 350%, PRTV coating electrical distance under 330KV voltage class
It is 4.5 meters, meets and require.Hardness after the solidification of PRTV antifouling paints, looks into JB/T7757.2-2006 shore hardnesses for 35~55HSD
Between rubber and flexible plastic, hauling rope colligation condition can be met.
In the present embodiment, the damp-proof layer 62 includes the internal layer fluorosioloxane rubber 621 of coated insulation wire rope core 61, the internal layer fluorine
Outer layer fluorosioloxane rubber 622 is also wrapped on outside silicon rubber 621.The radius of wire rope core 61 that insulate is 5 with the thickness ratio of damp-proof layer 62:2,
Internal layer fluorosioloxane rubber 621 is 1 with the thickness ratio of outer layer fluorosioloxane rubber 622:3.Using internal layer fluorosioloxane rubber 621 and outer layer fluorine silicon
The double-deck moisture-proof construction of rubber 622, internal layer can be combined with insulation wire rope core well prevents moisture from immersing, and outer layer is then to inner layer sheet
The hole that leaves is filled up when face is molded, using above-mentioned radius and thickness than insulation wire rope core 61 and damp-proof layer 62 so that lead
Straw line 6 also undertakes phase voltage ability on rainy day with splendid, because of burning drawing effect will not be caused to disappear.
The preparation method of the hauling rope 6 in the present embodiment comprises the following steps：
(1) prepare to dry and pass the test insulation wire rope core, length is 30 meters, 5 kilograms of PRTV fluorosioloxane rubber antifouling flush paint,
Insulation wire rope core is immersed 10 minutes in PRTV coating；
(2) the insulation wire rope core after immersion in step (1) is taken out and is dried 2 hours, obtain being coated with internal layer fluorosioloxane rubber
Hauling rope；
(3) hauling rope after being dried in step (2) is again dipped into PRTV fluorosioloxane rubber antifouling flush paints, is kept for 5 points
Clock；
(4) hauling rope after immersion in step (3) is dried 1~2 hour, obtains being coated with internal layer fluorosioloxane rubber and outer layer
The hauling rope of fluorosioloxane rubber.
In the present embodiment, the hauling rope to being made is measured, and is measured with 2500V megameters, and insulaion resistance is more than 10G
Ω；Industrial frequency withstand voltage experiment is carried out, under the conditions of 100KV/0.5m, continues 5 minutes, as a result meet wanting for GB/T 13035-2008
Ask；Fracture strength measure is carried out, rope diameter 6mm, fracture strength is more than 4KN, meet GB/T 13035-2008 requirements.
In the present embodiment, whole implementation process can be with livewire work, and material requested is simple, and only need 3 people spend 30~
The installation that structure can be completed in 40 minutes, dramatically saves on artificial and cost.
Embodiment 2
As shown in figs. 2 to 4, a kind of anti-structure that lead comes off excessively, including grounding switch 5, crosses lead 1, the He of fixed frame 4
Be installed on strain insulator 2 on fixed frame 4 and suspension insulator 3, it is described cross lead 1 respectively with strain insulator 2 and hang
Formula insulator 3 is connected and is connected with the grounding switch 5 located at ground, strain insulator 2 with and the mistake that is connected of suspension insulator 3 draw
The hauling rope 6 for preventing lead 1 from releasing is provided between line 1.In the present embodiment, grounding switch 5 can control power supply electricity by electronic box
Whether road is grounded, to tackle the situations such as power supply, maintenance.
In the present embodiment, equipment portion electrical point inspection person carries out finding 33516 disconnecting link top B phases when equipment is checked in booster stations
Lead 1 and the connecting plate fixing bolt screw cap-falling of suspension insulator 3 are crossed in outlet, and bolt has dropped out about 2cm, and B phases cross lead to be had at any time
Come off possibility.If this is crossed lead and comes off to be certain to cause 330KV short circuits, gently will then cause No. 3 units and the female jumps of 330KV tri-
Lock, heavy responsibility possibly even causes No. 3 main transformers and boosting station equipment badly damaged, and is robbing the stressful times of generated energy, in discovery
State situation needs stoppage in transit unit to thoroughly treatment, can cause the loss of up to ten million degree electricity, does not include what is started shooting again also
Expense.Therefore a kind of simple hitch structure is employed, lead 1 excessively is connected with strain insulator 2, prevented due to drawing excessively
Line 1 comes off the generation of caused short circuit phenomenon.
In the present embodiment, as shown in figure 4, being provided with the first strain insulator 21 and the insulation of the second strain insulator on fixed frame 4
Son 22, is connected with the transmission pressure on both sides respectively, is provided between the first strain insulator 21 and the second strain insulator 22 partially
To the suspension insulator 3 in the direction of the second strain insulator 22, the first strain insulator 21 it is powered lateral under be connected with and ground connection
Disconnecting link 5 be connected cross lead 1, the other end of grounding switch 5 cross lead 1 upwards respectively with the end of suspension insulator 3 and second
The powered side of strain insulator 22 is connected, and now supply line is in running order, and grounding switch 5 is disconnected with ground.
In the present embodiment, as shown in figure 4, be provided with two hauling ropes 6, its one end with the joining distal ends of suspension insulator 3
Cross lead 1 be connected, the other end is mutually fixedly connected with the powered side and not charged side of the first strain insulator 21 respectively, Ke Yiqi
To the optimal effect that lead 1 was released to fixation.
In the present embodiment, as shown in Fig. 2 the lead 1 of crossing is made up of two wires, conductor spacer is provided between the wire
11, the hauling rope 6 is fixed on the conductor spacer 11 of the end of suspension insulator 3.Hauling rope 6 and the interval crossed on lead 1
Rod be connected rather than with cross lead 1 and be joined directly together, prevented to cross the creepage phenomenon that may occur between lead 1 and fixed frame 4.
In the present embodiment, the hauling rope 6 is made up of two flexible cables, and the flexible cable has damp proof insulation function, choosing
With two flexible cables, one is used to draw lead, and another coordinates traction flexible cable.
In the present embodiment, wherein a hauling rope 6 is connected lead 1 is crossed with the powered side of the first strain insulator 21,
Under condition of power supply, the current potential at the two ends of hauling rope 6 is identical, can play good insulation draw；And another hauling rope 6 will
Cross lead 1 to be connected with the uncharged side of the first strain insulator 21, therefore potential difference is generated between this hauling rope 6, and due to
Hauling rope 6 uses insulation and moisture material, it can be ensured that can also keep traction effect in this case.
In the present embodiment, under no cut-off condition, to 330KV booster stations framework top on staff, by hauling rope 6
Plummet is tied up in one end, and plummet is passed through from lead conductor spacer 11 excessively with hauling rope 6, then leads another from fixed frame 4
Straw line 6 is put into ground, and surface personnel connects together two hauling ropes 6, and the personnel on fixed frame 4 carry hauling rope 6
Rise.The length for having estimated hauling rope 6 is knotted, and then hauling rope 6 is jumped to the end of the first strain insulator 21 with insulating bar
End, forms the traction to crossing lead 1.
In the present embodiment, when suspension insulator 3 is released with mistake lead 1, what is be connected with hauling rope 6 crosses lead 1 in space
In position keep it is constant, it is ensured that the clearance between power transmission line, it is therefore prevented that the generation of accident.
In the present embodiment, as shown in figure 3, the hauling rope 6 includes insulation wire rope core 61, two are surrounded by outside the insulation wire rope core 61
Layer damp-proof layer 62.Due to the presence of creepage phenomenon, lead 1 is crossed with charged metal in precipitation wet environment without damp-proof layer insulating cord
Between there is electric arc so that the insulation reduction of hauling rope 6 turns on electric current, has burnt hauling rope 6, and the hauling rope 6 after burning cannot
Play a part of drawing, therefore damp-proof treatment is carried out to it, in the outer increase damp-proof layer 62 of the insulation wire rope core 61 of hauling rope 6.
In the present embodiment, insulation wire rope core 61 is processed using PRTV fluorosioloxane rubber antifouling flush paint, PRTV coating is pulled
Disconnected elongation is not less than electrical distance of 350%, the PRTV coating under 330KV voltage class for 2.5 meters, and live insulator chain is long
It is 4.5 meters to spend, and meets and requires.Hardness after the solidification of PRTV antifouling paints, look into JB/T7757.2-2006 shore hardnesses for 35~
55HSD can meet hauling rope colligation condition between rubber and flexible plastic.
In the present embodiment, the damp-proof layer 62 includes the internal layer fluorosioloxane rubber 621 of coated insulation wire rope core 61, the internal layer fluorine
Outer layer fluorosioloxane rubber 622 is also wrapped on outside silicon rubber 621.The radius of wire rope core 61 that insulate is 5 with the thickness ratio of damp-proof layer 62:2,
Internal layer fluorosioloxane rubber 621 is 1 with the thickness ratio of outer layer fluorosioloxane rubber 622:3.Using internal layer fluorosioloxane rubber 621 and outer layer fluorine silicon
The double-deck moisture-proof construction of rubber 622, internal layer can be combined with insulation wire rope core well prevents moisture from immersing, and outer layer is then to inner layer sheet
The hole that leaves is filled up when face is molded, using above-mentioned radius and thickness than insulation wire rope core 61 and damp-proof layer 62 so that lead
Straw line 6 also undertakes phase voltage ability on rainy day with splendid, because of burning drawing effect will not be caused to disappear.
The preparation method of the hauling rope 6 in the present embodiment comprises the following steps：
(1) prepare to dry and pass the test insulation wire rope core, length is 30 meters, 5 kilograms of PRTV fluorosioloxane rubber antifouling flush paint,
Insulation wire rope core is immersed 8 minutes in PRTV coating；
(2) the insulation wire rope core after immersion in step (1) is taken out and is dried 1.5 hours, obtain being coated with internal layer fluorosioloxane rubber
Hauling rope；
(3) hauling rope after being dried in step (2) is again dipped into PRTV fluorosioloxane rubber antifouling flush paints, is kept for 3 points
Clock；
(4) hauling rope after immersion in step (3) is dried 1~2 hour, obtains being coated with internal layer fluorosioloxane rubber and outer layer
The hauling rope of fluorosioloxane rubber.
In the present embodiment, the hauling rope to being made is measured, and is measured with 2500V megameters, and insulaion resistance is more than 10G
Ω；Industrial frequency withstand voltage experiment is carried out, under the conditions of 100KV/0.5m, continues 5 minutes, as a result meet wanting for GB/T 13035-2008
Ask；Fracture strength measure is carried out, rope diameter 6mm, fracture strength is more than 4KN, meet GB/T 13035-2008 requirements.
In the present embodiment, whole implementation process can be with livewire work, and material requested is simple, and only need 3 people spend 30~
The installation that structure can be completed in 40 minutes, dramatically saves on artificial and cost.
The preferred embodiments of the invention are the foregoing is only, is not intended to limit the invention, it is all of the invention
Any modification, equivalent and improvement made within spirit and principle etc., should be included within the scope of the present invention.
Claims (10)
1. it is a kind of it is anti-cross the structure that comes off of lead, including grounding switch (5), cross lead (1), fixed frame (4) and being installed on is consolidated
Determine strain insulator (2) on framework (4) and suspension insulator (3), it is characterised in that it is described cross lead (1) respectively with strain insulator
Insulator (2) is connected with suspension insulator (3), strain insulator (2) with and suspension insulator (3) be connected cross lead (1) between
It is provided with the hauling rope (6) for preventing lead (1) from releasing.
2. the structure that anti-mistake lead according to claim 1 comes off, it is characterised in that when suspension insulator (3) draws with mistake
When line (1) is released, lead (1) position in space of crossing being connected with hauling rope (6) keeps constant.
3. the structure that anti-mistake lead according to claim 1 and 2 comes off, it is characterised in that the structure includes that first is resistance to
Insulator (21) and the second strain insulator (22), the end of suspension insulator (3) are connected with mistake lead (1) and are partial to second
The direction of strain insulator (22) is set；The structure is provided with least one hauling rope (6), one end of hauling rope (6) and suspension type
The lead (1) of crossing of insulator (3) end is connected, the powered side and/or not charged side of the other end and the first strain insulator (21)
Mutually it is fixedly connected.
4. according to claims 1 to 3 any one it is anti-cross lead dropping structure, it is characterised in that it is described cross lead (1)
It is made up of at least two wires, conductor spacer (11) is provided between the wire, the hauling rope (6) is fixed near suspension insulator
(3) on the conductor spacer (11) of end.
5. according to Claims 1 to 4 any one it is anti-cross lead dropping structure, it is characterised in that the structure is provided with
Two hauling ropes (6), are connected with the powered side and not charged side of the first strain insulator (21) respectively.
6. according to Claims 1 to 5 any one it is anti-cross lead dropping structure, it is characterised in that the hauling rope (6)
Including at least two flexible cables, the flexible cable has damp proof insulation function.
7. a kind of hauling rope as described in claim 1~6 any one, including insulation wire rope core (61), it is characterised in that described
At least one of which damp-proof layer (62) is surrounded by outside insulation wire rope core (61).
8. hauling rope according to claim 7, it is characterised in that the damp-proof layer (62) includes internal layer fluorosioloxane rubber
(621) and outer layer fluorosioloxane rubber (622), internal layer fluorosioloxane rubber (621) coated insulation wire rope core (61), outer layer fluorosioloxane rubber (622)
Cladding internal layer fluorosioloxane rubber (621).
9. hauling rope according to claim 8, it is characterised in that the radius of the insulation wire rope core (61) and damp-proof layer (62)
Thickness ratio be 5:2, the thickness of internal layer fluorosioloxane rubber (621) is 1 with the thickness ratio of outer layer fluorosioloxane rubber (622):3.
10. a kind of preparation method of the hauling rope as described in claim 7~9 any one, it is characterised in that including following step
Suddenly：
(1) take in insulation wire rope core immersion fluorosioloxane rubber coating, kept for 8~15 minutes；
(2) the insulation wire rope core after immersion in step (1) is taken out and is dried 1~2 hour, obtain being coated with leading for internal layer fluorosioloxane rubber
Straw line；
(3) hauling rope after being dried in step (2) is again dipped into fluorosioloxane rubber coating, is kept for 2~5 minutes；
(4) hauling rope after immersion in step (3) is dried 1~2 hour, obtains being coated with internal layer fluorosioloxane rubber and outer layer fluorine silicon
The hauling rope of rubber.
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| CN106786313B CN106786313B (en) | 2018-08-17 |
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Citations (5)
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|---|---|---|---|---|
| JP2004140918A (en) * | 2002-10-17 | 2004-05-13 | Toko Electrical Construction Co Ltd | Line transfer auxiliary device and line transfer method for transmission line |
| CN201649773U (en) * | 2009-12-16 | 2010-11-24 | 辽河石油勘探局 | 66KV overhead line three-phase phase-converting iron tower |
| CN203707709U (en) * | 2013-11-30 | 2014-07-09 | 陈小莹 | Wire pole capable of preventing broken wires of electric wires from falling to ground |
| CN205489399U (en) * | 2016-03-22 | 2016-08-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Reinforcerment system that is qualified for next round of competitions of transformer substation |
| CN206506257U (en) * | 2017-02-24 | 2017-09-19 | 大唐韩城第二发电有限责任公司 | A kind of overhead line anti-loose structure |
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2017
- 2017-02-24 CN CN201710102124.4A patent/CN106786313B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004140918A (en) * | 2002-10-17 | 2004-05-13 | Toko Electrical Construction Co Ltd | Line transfer auxiliary device and line transfer method for transmission line |
| CN201649773U (en) * | 2009-12-16 | 2010-11-24 | 辽河石油勘探局 | 66KV overhead line three-phase phase-converting iron tower |
| CN203707709U (en) * | 2013-11-30 | 2014-07-09 | 陈小莹 | Wire pole capable of preventing broken wires of electric wires from falling to ground |
| CN205489399U (en) * | 2016-03-22 | 2016-08-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Reinforcerment system that is qualified for next round of competitions of transformer substation |
| CN206506257U (en) * | 2017-02-24 | 2017-09-19 | 大唐韩城第二发电有限责任公司 | A kind of overhead line anti-loose structure |
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| Publication number | Publication date |
|---|---|
| CN106786313B (en) | 2018-08-17 |
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