CN109903937A - A kind of Direct-current porcelain insulator zinc band, Direct-current porcelain insulator and its installation tool and installation method - Google Patents
A kind of Direct-current porcelain insulator zinc band, Direct-current porcelain insulator and its installation tool and installation method Download PDFInfo
- Publication number
- CN109903937A CN109903937A CN201910297627.0A CN201910297627A CN109903937A CN 109903937 A CN109903937 A CN 109903937A CN 201910297627 A CN201910297627 A CN 201910297627A CN 109903937 A CN109903937 A CN 109903937A
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- Prior art keywords
- zinc band
- zinc
- direct
- annular gap
- band
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- 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.)
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 239000011701 zinc Substances 0.000 title claims abstract description 100
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 100
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 49
- 239000012212 insulator Substances 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 239000000284 extract Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
Landscapes
- Insulators (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The invention discloses a kind of Direct-current porcelain insulator zinc bands, it is inlaid in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat, the zinc band is equipped with away from the side of the annular gap to be extended along its longitudinal direction to be embedded in rope for zinc band circumferential direction and tighten to be embedded in the groove in annular gap.The invention also discloses a kind of Direct-current porcelain insulator comprising above-mentioned zinc band and its installation tool and installation methods.Orbital groove is arranged in zinc band outer rim of the present invention, and zinc band is tightened zinc band circumferential direction to be embedded in annular gap by the rope in insertion groove, the installation of zinc band can be completed, which can be adapted for the steel cap of different manufacturers different model insulator.
Description
Technical field
The invention belongs to electric power project engineering field more particularly to a kind of Direct-current porcelain insulator zinc bands, Direct-current porcelain insulator
And its installation tool and installation method.
Background technique
Porcelain insulator is stablized because of mechanical strength to be widely applied in China's DC power transmission line, since the product of early stage does not consider
Leakage current long term will cause the corrosion of porcelain insulator steel cap under particular surroundings, put into operation after finding the problem using in porcelain insulator
Installing zinc ring additional as the mode of sacrificial electrode between steel cap and porcelain patticoat gap avoids steel cap from continuing to corrode, and existing zinc ring mainly has two
Seed type, one is the shapes of a hoof, and directly zinc ring effective angle is 220 after clamping installation between steel cap and porcelain patticoat gap from the bottom up
Degree left and right, it is opening up, therefore be self-possessed in operation, the problem of factors effect such as wind shake is often fallen, statistics is shown,
Using the route of such form zinc ring, rate is fallen 20% or so, seriously threatens the life of big route underside personnel, vehicle
Property safety；Another kind is totally-enclosed circular configuration, this kind of form needs to customize dimension according to different insulative subtype number
Two semicircle zinc rings, two semicircle both ends, which are bolted, makes its closing become circle, statistics display, using such shape
The route of formula zinc ring, falling rate at present is 0, but such mode needs out multiple molds, according to the different shaped of different location shaft tower
The delivery of number insulator, easily hair is wrong, and every insulator of high altitude operation will be made in a manner of artificial fastening bolt on tower
Zinc ring seal closed operation is extremely inconvenient, and the every insulator string of UHVDC Transmission Lines is greater than 60, and there are duplex, three in a pole of every base shaft tower
The diversified forms such as connection, tetrad, it is meant that every pole, which has, to be needed higher than 100 or even 200 multi-disc insulators with artificial fastening bolt
Mode makes zinc ring seal, and spirit needs high concentration, physical demands huge there are certain security risk, and each power off time
It is short, immense pressure is brought to service work.
Summary of the invention
The application aims to solve at least one of the technical problems existing in the prior art.For this purpose, an object of the present invention
It is to provide a kind of Direct-current porcelain insulator zinc band, Direct-current porcelain insulator and its installation tool and installation method.
A kind of Direct-current porcelain insulator zinc band is inlaid in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat, institute
It states zinc band and is equipped with away from the side of the annular gap and extended along its longitudinal direction to be inserted in rope for zinc band circumferential direction and tighten with embedding
Enter the groove in annular gap.
Further, the zinc band is epitaxially formed the wedge shape guidance for facilitating insertion into annular gap towards the side of annular gap
Portion.
Further, the central angle of the opening ring body formed behind zinc band insertion annular gap is 335 ° -350 °, described
The both ends of opening ring body have been epitaxially formed anticorona clamp.
Further, the zinc band is made of the semicircle ring segment and arc section being sequentially smoothly connected, the semicircle ring segment
Radius is less than the radius of the arc section and matches with the annular gap.
A kind of Direct-current porcelain insulator is embedded with above-mentioned zinc in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat
Band.
A kind of tool for installing above-mentioned zinc band, including rack, the front end of the rack are equipped with the first mandril and second side by side
Mandril is additionally provided with hoist engine in the rack, and on the reel of the hoist engine, the other end passes through first for one end of rope
Rope channel in mandril is stretched out from the first mandril front end and is connected with hook, and one end that the rope is equipped with hook can be from described
It pulls out in rope channel to be embedded in the groove and be connected with the link for being set to second mandril front end.
Further, the hook uses magnetic hanger.
Further, be equipped with a pair of of guide roller in the rope channel, the rope from a pair of guide roller it
Between pass through.
Further, the hoist engine includes reel, by clutch drives the motor of spool turns, powers for motor
Battery and the trigger of control motor opening and closing, the rack are equipped with the handle for facilitating gripping, and the rack is equipped with and conveniently holds
The handle held.
A kind of Direct-current porcelain insulator zinc band installation method, holds out against pressure for one end of zinc band using the first mandril of the tool
It leans against at the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat, keeps the end intensive in Direct-current porcelain insulator leakage current
The opposite side in area extracts rope out and encircles zinc band one week by track of the groove of zinc band, the hook of cord end is hooked link, is opened
Dynamic hoist engine drives zinc band to carry out circumferential tightening, zinc band is embedded between Direct-current porcelain insulator steel cap and porcelain patticoat by rope
In annular gap, the installation of zinc band is completed.
Compared with prior art, the beneficial effects of the present invention are:
1, orbital groove is arranged in zinc band outer rim, and zinc band is tightened zinc band circumferential direction with embedded rings by the rope in insertion groove
In shape gap, the installation of zinc band can be completed, which can be adapted for the steel cap of different manufacturers different model insulator.
2, zinc band 335 °≤θ≤350 ° of effective angle after installing, opening angle is small, avoids the factors such as self weight and wind shake and makes
At falling, security performance is improved.
3, using zinc band installation tool install, can not only prevent because zinc ring be open it is excessive caused by the later period easily fall, simultaneously
Installation effectiveness can be improved, reduce operating personnel's physical demands, can also avoid because of the more multiple wrong goods of model, reduce mold dosage.
4, zinc band outer rim setting orbital groove facilitates the later period to install, and anticorona clamp is arranged in both ends, on the one hand reduces electricity
On the other hand corona brings convenience to installation, one is easy for the fixation of end, avoids sliding；Second is that branch when zinc band is tightened
Higher, the tightening convenient for zinc with the other end of point.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of zinc band of the present invention；
Fig. 2 is the cross-sectional view of zinc band of the present invention；
Fig. 3 is that zinc band of the present invention is mounted on the schematic diagram on annular gap；
Fig. 4 is structural schematic diagram of the zinc of the present invention with installation tool；
Fig. 5 is side view of the zinc of the present invention with installation tool；
Fig. 6 is zinc band installation process schematic diagram of the present invention.
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.
Referring to figures 1-3, a kind of Direct-current porcelain insulator zinc band, the ring being inlaid between Direct-current porcelain insulator steel cap and porcelain patticoat
In shape gap 1, zinc band 2 is equipped with away from the side of annular gap to be extended along its longitudinal direction to be inserted in rope for the circumferential receipts of zinc band 2
The tightly groove 3 to be embedded in annular gap 1.
When the present embodiment zinc band 1 is installed, by being embedded in rope in groove 3, the both ends of rope are worn from the both ends of zinc band 2
Out, one end of zinc band 2 is held out against at annular gap 1, the both ends of tensioning rope, zinc band 2 is embedded in gap along annular gap 1
In, the installation of zinc band can be completed, zinc band 2 is easy for installation, which is suitable for the steel cap of different manufacturers different model insulator.
Referring to fig. 2, it is inlaid in annular gap 1 for convenience of zinc band 2, in side extension shape of the zinc band 2 towards annular gap 1
At the wedge-shaped guide portion 4 for facilitating insertion into annular gap, wedge-shaped guide portion 4 is integrally formed with zinc band body.
Referring to Fig. 3, zinc band 2 is made of the semicircle ring segment 201 and arc section 202 being sequentially smoothly connected, semicircle ring segment 201
Radius is less than the radius of arc section 201 and matches with annular gap 1, by the way that the semicircular ring to match with annular gap 1 is arranged
Section 201 provides zinc band 2 so as to be that semicircle ring segment 201 sets manual is matched on annular gap 1 in the installation of zinc band 2
Initial alignment facilitates later period zinc band 1 to collapse tensioning by rope circumferential direction.
Specifically, zinc band 2 is made of No. 0 disposable punching press of zinc silk, θ is equal to by a central angle1Degree, radius R1,
The semicircle ring segment and a central angle that arc length is L1 are equal to θ2Same structure that degree, radius 3R1, arc length are L2, same to section, same to material
Matter arc section is integrally formed, and zinc ring cross section is cone-shaped, and cone side can facilitate the seam between insertion insulator steel cap and porcelain patticoat
Gap, zinc band outer edge side are arranged fluted.In the present embodiment, zinc band 2 is embedded in the central angle of the opening ring body formed behind annular gap 1
It is 335 ° -350 °, θ1=188 °, the zinc band opening angle after installation is small, avoids the factors such as self weight and wind shake and causes to fall, mentions
High security performance, realizes that the approximation of zinc band is totally-enclosed.
Referring to Fig. 1, zinc band two ends are provided with anticorona clamp 203, and 203 outer rim of clamp is semicircle, radius r=
4mm, the center of circle are located on zinc band outer edge side, and 203 outer rim of clamp, which is again provided with, seamlessly transits the card being connected to the groove on zinc band
Head groove, the depth of clamp groove are less than the depth of the groove on zinc band, depth difference H=0.3mm, that is to say, that two grooves
Junction is there are certain difference in height and is connected smoothly.
The present embodiment zinc band outer rim setting orbital groove facilitates the later period to install, and anticorona clamp 203 is arranged in both ends, on the one hand
Reduce corona discharge, on the other hand bring convenience to installation, one is easy for the fixation at the end A, avoids sliding, second is that the end B is received
Fulcrum is higher when tight, convenient for tightening at the end zinc ring B.
Referring to fig. 4 and Fig. 5, a kind of tool for installing above-mentioned zinc band, including rack 5, the front end of rack 5 are equipped with first side by side
Mandril 6 and the second mandril 7 are additionally provided with hoist engine 8 in rack 5, and one end of rope 9 is on the reel 801 of hoist engine 8, separately
One end is stretched out from 6 front end of the first mandril by the rope channel in the first mandril 6 and is connect with hook 10, and rope 9 is equipped with hook
10 one end can be pulled out from rope channel to be embedded in groove 3 and be connected with the link 11 for being set to 7 front end of the second mandril.
It should be noted that being equipped with a pair of of guide roller 12 in rope channel, rope 9 is between a pair of of guide roller 12
Pass through, rope 9 and 12 plane tangent of guide roller are oriented to.
Referring to fig. 4 and Fig. 5, in actual design, hoist engine 8 includes reel 801, is turned with movable reel by clutch 802
The trigger 806 that dynamic motor 803, the battery 804 for the power supply of motor 803 and control motor 804 opens and closes, also sets in rack 5
There is controller 805, trigger 806, controller 805, battery 804 and motor 803 are electrically connected, the control of composition control hoist engine opening and closing
Circuit processed is electric control field routine techniques, details are not described herein as the specific structure of control circuit.In the present embodiment, electricity
Pond 804 is powered by controller 805 to motor, and controller connects trigger, and fastening and release trigger 806 realize controller 805
Run and then realize the on-off of power supply jointly, motor couples reel (cable wire folding and unfolding wheel) by clutch, in the case where power supply is connected
Motor rotates the automatic drawing back for realizing rope (preferentially using cable wire) by clutch with running wire folding and unfolding wheel, disconnects feelings in power supply
Hook (preferentially using magnetic hanger) or cable wire front end are pulled under condition can realize the unfolding of cable wire, be additionally provided in rack 5 conveniently
The handle 13 of gripping, setting position meet principle of human engineering.
A kind of-Fig. 6 referring to fig. 4, Direct-current porcelain insulator zinc band installation method, includes the following steps:
1) semi-circular segments 201 of zinc band 2 are manually inserted in the gap between Direct-current porcelain insulator steel cap and porcelain patticoat to be installed
1, keep the end A in the opposite side of its leakage current compact district, even the Direct-current porcelain insulator horizontal string that is strain insulator arrangement, the end A should be
Upside, then zinc band 2 should penetrate position to be installed from left to right；
2) the tight zinc band of A side pressure is abutted using first mandril 6 of the zinc with installation tool, the anticorona clamp setting at the end A is the
It between one mandril 6 and the second mandril 7 and is resisted against on the inner sidewall of the first mandril 6, extracts cable wire out and is with the groove of zinc band 23
Track encircles zinc band 2 one weeks, and the magnetic hanger of cable wire end is hooked link 11；
3) the light triggering pulling 806 of finger crawl, can be adjusted to cable wire makes it be completely in the recessed of zinc ring in the process
In slot 3 and it is in stress；
4) persistently link closely trigger 806, tightens to zinc band 2, unclamps trigger when the end B and the end A exist together in an annulus
806, it is pulled outwardly cable wire manually at this time and removes magnetic hanger, complete the installation of zinc band 2.
Using zinc band installation tool, the personnel on tower that are not only convenient for operate, reduce labor intensity, avoid manually
The problems such as clamping installation is not close, improves work efficiency, and can also avoid because of the more multiple wrong goods of model, reduce mold dosage.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (10)
1. a kind of Direct-current porcelain insulator zinc band is inlaid in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat, special
Sign is: the zinc band is equipped with away from the side of the annular gap to be extended along its longitudinal direction to be inserted in rope for zinc band circumferential direction
Groove in tightening insertion annular gap.
2. zinc band according to claim 1, it is characterised in that: the zinc band is epitaxially formed just towards the side of annular gap
Wedge-shaped guide portion in insertion annular gap.
3. zinc band according to claim 1, it is characterised in that: the opening ring body formed behind zinc band insertion annular gap
Central angle be 335 ° -350 °.
4. zinc band according to claim 1, it is characterised in that: the both ends of the zinc band have been epitaxially formed anticorona clamp.
5. zinc band according to claim 1, it is characterised in that: the zinc band is by the semicircle ring segment and circle that are sequentially smoothly connected
Segmental arc composition, the radius of the semicircle ring segment are less than the radius of the arc section and match with the annular gap.
6. a kind of Direct-current porcelain insulator, it is characterised in that: embedding in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat
Equipped with the described in any item zinc bands of claim 1-5.
7. a kind of tool of any one of installation claim 1-5 zinc band, including rack, it is characterised in that: the rack
Front end is equipped with the first mandril and the second mandril side by side, hoist engine is additionally provided in the rack, one end of rope is wound on the volume
It raises on the reel of machine, the other end is stretched out from the first mandril front end by the rope channel in the first mandril and connected with hook, institute
State rope be equipped with hook one end can from the rope channel pull out be embedded in the groove and be set to described second
The link of mandril front end is connected.
8. tool according to claim 7, it is characterised in that: a pair of of guide roller is equipped in the rope channel, it is described
Rope passes through between a pair of guide roller.
9. tool according to claim 7, it is characterised in that: the hoist engine includes reel, driven and rolled up by clutch
The trigger of the motor of cylinder rotation, the battery for motor power supply and control motor opening and closing.
10. a kind of Direct-current porcelain insulator zinc band installation method, using the described in any item tools of claim 7-9, feature exists
In: one end of zinc band is held out against to the ring being pressed against between Direct-current porcelain insulator steel cap and porcelain patticoat using the first mandril of the tool
It at shape gap, keeps the end in the opposite side of Direct-current porcelain insulator leakage current compact district, extracts rope out and be with the groove of zinc band
Track encircles zinc band one week, and the hook of cord end is hooked link, starts hoist engine, drives zinc band to carry out by rope circumferential
Zinc band is embedded in the annular gap between Direct-current porcelain insulator steel cap and porcelain patticoat, completes the installation of zinc band by tightening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297627.0A CN109903937B (en) | 2019-04-15 | 2019-04-15 | DC porcelain insulator zinc band, DC porcelain insulator, and mounting tool and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297627.0A CN109903937B (en) | 2019-04-15 | 2019-04-15 | DC porcelain insulator zinc band, DC porcelain insulator, and mounting tool and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109903937A true CN109903937A (en) | 2019-06-18 |
| CN109903937B CN109903937B (en) | 2024-04-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297627.0A Active CN109903937B (en) | 2019-04-15 | 2019-04-15 | DC porcelain insulator zinc band, DC porcelain insulator, and mounting tool and mounting method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109903937B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118232230A (en) * | 2024-05-23 | 2024-06-21 | 国网山东省电力公司鄄城县供电公司 | Cable erection device |
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|---|---|---|---|---|
| CN118232230A (en) * | 2024-05-23 | 2024-06-21 | 国网山东省电力公司鄄城县供电公司 | Cable erection device |
| CN118232230B (en) * | 2024-05-23 | 2024-07-23 | 国网山东省电力公司鄄城县供电公司 | Cable erection device |
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| Publication number | Publication date |
|---|---|
| CN109903937B (en) | 2024-04-05 |
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