CN111262163A - Special tool for overhauling isolating switch and overhauling method for replacing hoop without power outage - Google Patents
Special tool for overhauling isolating switch and overhauling method for replacing hoop without power outage Download PDFInfo
- Publication number
- CN111262163A CN111262163A CN202010126874.7A CN202010126874A CN111262163A CN 111262163 A CN111262163 A CN 111262163A CN 202010126874 A CN202010126874 A CN 202010126874A CN 111262163 A CN111262163 A CN 111262163A
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- hoop
- overhauling
- special tool
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- window
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a special tool for overhauling an isolating switch and an overhauling method for replacing a hoop without power outage, wherein the tool comprises a transition plate and a clamp, an old hoop replacing window is arranged in the transition plate, a plurality of connecting holes are formed in the transition plate above the old hoop replacing window and used for being matched with a new hoop to fix the new hoop on a vertical connecting rod at the upper part of the old hoop, a plurality of connecting holes are formed in the transition plate below the old hoop window and connected with the clamp, and the clamp is used for connecting and fixing an output shaft of a disconnecting link mechanism. The invention can solve the problems that the existing quantity of the isolating switch in operation is huge, the hoop cannot be sequentially replaced in a short time when power is cut off, and some isolating switches even cannot be replaced when power is cut off, so that the task of completely completing anti-accident measures is remote and untimely.
Description
Technical Field
The invention relates to the field of power grid maintenance, in particular to a special tool for maintenance of an isolating switch and a maintenance method for replacing a hoop without power outage.
Background
The output shaft of an operating mechanism of an outdoor high-voltage isolating switch commonly used in the transformer substation is connected with a vertical transmission connecting rod through a hoop, and the torque output by the mechanism acts on the hoop for a long time. The problem of this kind of hidden danger can be through punching on the staple bolt, increase one and wear core round pin (positioning bolt), come the locking staple bolt and be connected with the connecting rod, nevertheless found through experimental investigation, the staple bolt that former factory used is cast aluminum alloy spare mostly, because of the great toughness of cast aluminium silicon content is relatively poor, and through long-time morals and manners hard fragility bigger, directly punch and cause the staple bolt fracture easily, have bigger potential safety hazard to the operation safety, directly punch and not advisable. Therefore, the novel hoop is made of 6061 type extruded aluminum alloy, the aluminum alloy is high in toughness and strength, and very strong in oxidation resistance and corrosion resistance, and is the most common high-quality aluminum alloy for electric power fittings; a stainless steel positioning bolt pin with a locking nut is installed in the novel anchor ear prefabricated bolt hole.
The utility model provides in the anti-accident measure of south net to change prefabricated novel staple bolt need combine to have a power failure to overhaul and accomplish the transformation, but the isolator stock in the operation is huge, and the operation reality of electric wire netting can not have a power failure in proper order in the short time and change the staple bolt, and some can't have a power failure even and change, and the whole anti-accident measure tasks of accomplishing are far away and have nothing to do.
Disclosure of Invention
The invention provides a special tool for overhauling an isolating switch, which is used for completing the quick replacement of an electrified hoop.
The invention also provides a maintenance method for replacing the hoop of the isolating switch without power failure.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides an isolator overhauls special frock, includes cab apron and anchor clamps, it changes the window to cross to set up old staple bolt in the cab apron, it is provided with a plurality of connecting holes to cross the cab apron in the top that the window was changed to old staple bolt, a plurality of connecting holes are used for cooperating new staple bolt to be fixed in on the perpendicular connecting rod in old staple bolt upper portion with new staple bolt, it is provided with a plurality of connection holes to cross the cab apron in the below of old staple bolt window, connect the hole and be connected with anchor clamps, anchor clamps are used for the anti-measure of switch to reform transform.
Preferably, the transition plate is a flat plate made of an aluminum alloy material, the aluminum alloy material has excellent performance, the transition plate made of the aluminum alloy material is light and durable, the structure is simple, the disassembly is very convenient and fast, only 20 minutes are needed for replacing one set of hoop, the completion time of replacement work is greatly shortened under the condition that the normal operation of equipment is ensured, and huge labor cost is saved.
Preferably, the transition plate is provided with four connecting holes above the old hoop replacing window.
Preferably, the connection holes are bolt holes.
Preferably, the bolt hole is oval bolt hole for connect prefabricated novel staple bolt, and oval bolt hole is applicable to not unidimensional staple bolt, because isolator's manufacture factory and model are various, and the output flange and the perpendicular connecting rod diameter of mechanism are different, so the staple bolt that can change the diameter of upper end adoption of general frock corresponds the perpendicular connecting rod of different pipe diameters. 4 bolts connected with the novel prefabricated hoop can be adjusted to assist in micro-adjustment of the isolating switch, so that the isolating switch can be switched on and off in place.
Preferably, the transition plate is provided with two connecting holes below the old hoop window.
Preferably, the connection holes are bolt holes.
Preferably, the clamp comprises two semicircular clamps having a stroke displacement on the bolt connecting the holes.
Preferably, the clamp is made of an aluminum alloy material.
Preferably, the clamp clamps the GW4 disconnecting link and the disconnecting link structurally communicated with the GW4 disconnecting link.
The maintenance method for replacing the hoop of the isolating switch without power failure by applying the special maintenance tool for the isolating switch comprises the following steps of:
s1: the upper end of the special tool is tightly held at a proper position of a vertical connecting rod at the upper part of the hoop, and the lower end of the special tool is fixed on a flange of the mechanism output, so that the mechanism output flange is tightly connected with the vertical connecting rod through the special tool;
s2: marking original positions of the vertical connecting rod and the mechanism flange of which the tool is fixed by using a marking pen, then removing an original hoop, installing a new hoop with a positioning pin back to the mechanism, and locking the new hoop according to required torque;
s3: after the new anchor ear is locked, the special tool is removed, the mark is observed, and the mechanism flange and the vertical connecting rod are ensured not to be displaced again, so that the isolation switch can normally run.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
according to the tool transition plate, the bolt at the upper end of the tool transition plate can be used for realizing the charged fine adjustment of the position of the contact of the disconnecting link through the assistance of the adjusting nut when the closing or opening of the disconnecting link is not in place, so that the closing and opening of the disconnecting link are in place, the problems that the stock of the disconnecting link in operation is huge, the hoop cannot be sequentially replaced in a power failure mode in a short time, and the power failure replacement cannot be carried out even in some cases, so that the anti-accident measure task is completely completed remotely and indefinitely are solved, the power failure cost is saved, and huge economic benefits are generated.
Drawings
Fig. 1 is a schematic diagram of a tool special for overhauling an isolating switch.
Fig. 2 is a front view of a transition plate.
Fig. 3 is a top view of the transition plate.
Fig. 4 is a front view of the clamp.
Fig. 5 is a top view of the clamp.
Fig. 6 is a schematic flow chart of a maintenance method for replacing the hoop of the disconnecting switch without power failure.
In the figure, 1 is a transition plate, 11 is a connecting hole, 12 is a connecting hole, 2 is an old hoop replacing window, 3 is a clamp, 4 is a vertical connecting rod, 5 is a disconnecting link mechanism, 6 is an old hoop, and 7 is a new hoop.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a special frock of isolator maintenance, as shown in fig. 1 to 5, including crossing cab apron 1 and anchor clamps 3, cross and set up old staple bolt change window 12 in the cab apron 1, it is provided with a plurality of connecting holes 11 to cross cab apron 1 in the top that window 12 was changed to old staple bolt, a plurality of connecting holes 11 are used for cooperating new staple bolt and are fixed in on the perpendicular connecting rod 4 on old staple bolt upper portion with new staple bolt, it is provided with a plurality of connection holes 12 to cross cab apron 1 in the below of old staple bolt window, connection hole 12 is connected with anchor clamps 3, anchor clamps 3 are used for the anti measure of switch to reform transform.
The transition plate 1 is a flat plate made of an aluminum alloy material, the aluminum alloy material has excellent performance, the transition plate 1 made of the aluminum alloy material is light and durable, the structure is simple, the disassembly is very convenient and fast, only 20 minutes are needed for replacing one set of hoop, the completion time of replacement work is greatly shortened under the condition that the normal operation of equipment is ensured, and huge labor cost is saved.
The transition plate 1 is provided with four connecting holes 11 above the old hoop replacing window 12.
The connecting holes 11 are bolt holes.
The bolt hole is oval bolt hole for connect prefabricated novel staple bolt, and oval bolt hole is applicable to not unidimensional staple bolt, because isolator's manufacture factory and model are various, and the output flange of mechanism is different with perpendicular connecting rod 4 diameter, so the staple bolt that can change the diameter is adopted to the upper end of general frock and is responded to the perpendicular connecting rod 4 of different pipe diameters. 4 bolts connected with the novel prefabricated hoop can be adjusted to assist in micro-adjustment of the isolating switch, so that the isolating switch can be switched on and off in place.
The transition plate 1 is provided with two connecting holes 12 below the old hoop window.
The connecting holes 12 are bolt holes.
The clamp 3 comprises two semicircular clamps having a stroke displacement on the bolt connecting the hole 12.
The clamp 3 is made of an aluminum alloy material.
And the clamp 3 clamps a GW4 disconnecting link and a disconnecting link communicated with the GW4 disconnecting link structure.
In a specific implementation process, the maintenance method for replacing the hoop of the disconnecting switch without power failure, as shown in fig. 6, by applying the special tool for disconnecting switch maintenance, comprises the following steps:
s1: the upper end of the special tool is tightly held at a proper position of a vertical connecting rod at the upper part of the hoop, and the lower end of the special tool is fixed on a flange of the mechanism output, so that the mechanism output flange is tightly connected with the vertical connecting rod through the special tool;
s2: marking original positions of the vertical connecting rod and the mechanism flange of which the tool is fixed by using a marking pen, then removing an original hoop, installing a new hoop with a positioning pin back to the mechanism, and locking the new hoop according to required torque;
s3: after the new anchor ear is locked, the special tool is removed, the mark is observed, and the mechanism flange and the vertical connecting rod are ensured not to be displaced again, so that the isolation switch can normally run.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an isolator overhauls special frock, its characterized in that, includes cab apron and anchor clamps, it changes the window to set up old staple bolt in the cab apron to cross, it is provided with a plurality of connecting holes to cross the cab apron to change the top of window at old staple bolt, a plurality of connecting holes cooperation bolt are fixed in on the perpendicular connecting rod in old staple bolt upper portion with new staple bolt, it is provided with a plurality of connection holes to cross the cab apron in the below of old staple bolt window, connect the hole and be connected with anchor clamps, can the clamping switch mechanism output shaft on the anchor clamps.
2. The special tool for overhauling the disconnecting switch according to claim 1, wherein the transition plate is a flat plate made of an aluminum alloy material.
3. The special tool for overhauling the disconnecting switch according to claim 2, wherein the transition plate is provided with four connecting holes above the replacing window of the old hoop.
4. The special tool for overhauling the disconnecting switch according to claim 3, wherein the connecting hole is a bolt hole.
5. The special tool for overhauling the disconnecting switch according to claim 4, wherein the bolt hole is an oval bolt hole.
6. The special tool for overhauling the disconnecting switch according to claim 1, wherein the transition plate is provided with two connecting holes below the old hoop window.
7. The special tool for overhauling the disconnecting switch according to claim 6, wherein the connecting hole is a bolt hole.
8. The special tool for overhauling the disconnecting switch according to claim 7, wherein the clamp comprises two semicircular clamps, and the clamps have stroke displacement on bolts connected with the holes.
9. The special tool for overhauling the disconnecting switch according to claim 8, wherein the clamp is made of an aluminum alloy material.
10. An overhauling method for replacing a hoop of an isolating switch without power failure is characterized in that the special overhauling tool for the isolating switch disclosed by any one of claims 1 to 9 is applied, and the overhauling method comprises the following steps:
s1: the upper end of the special tool is tightly held at a proper position of a vertical connecting rod at the upper part of the hoop, and the lower end of the special tool is fixed on a flange of the mechanism output, so that the mechanism output flange is tightly connected with the vertical connecting rod through the special tool;
s2: marking original positions of the vertical connecting rod and the mechanism flange of which the tool is fixed by using a marking pen, then removing an original hoop, installing a new hoop with a positioning pin back to the mechanism, and locking the new hoop according to required torque;
s3: after the new anchor ear is locked, the special tool is removed, the mark is observed, and the mechanism flange and the vertical connecting rod are ensured not to be displaced again, so that the isolation switch can normally run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126874.7A CN111262163B (en) | 2020-02-28 | 2020-02-28 | Special tool for overhauling isolating switch and overhauling method for replacing anchor ear without power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126874.7A CN111262163B (en) | 2020-02-28 | 2020-02-28 | Special tool for overhauling isolating switch and overhauling method for replacing anchor ear without power failure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111262163A true CN111262163A (en) | 2020-06-09 |
| CN111262163B CN111262163B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010126874.7A Active CN111262163B (en) | 2020-02-28 | 2020-02-28 | Special tool for overhauling isolating switch and overhauling method for replacing anchor ear without power failure |
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| Country | Link |
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| CN (1) | CN111262163B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312514Y (en) * | 1997-07-03 | 1999-03-31 | 叶国荣 | Air-break switch used for changing casings of electrically driven mechanism with no interruption of high tension power |
| CN102856838A (en) * | 2012-08-31 | 2013-01-02 | 国家电网公司 | Tubular bus support insulator changing tool and method |
| CN103683057A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Tool special for replacing high-voltage isolating switch mechanism hoop |
| US20150113852A1 (en) * | 2013-10-30 | 2015-04-30 | Drifter Marine, Inc. | Fishing net and method of manufacturing same |
| CN104600611A (en) * | 2015-01-15 | 2015-05-06 | 国家电网公司 | Portable maintenance platform of disconnecting switch |
| CN205029217U (en) * | 2015-09-02 | 2016-02-10 | 国网北京市电力公司 | Overhaul test device |
| CN106786328A (en) * | 2016-12-28 | 2017-05-31 | 国网浙江省电力公司湖州供电公司 | A kind of Novel lightning arrester external leakage shields anchor ear device |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
| CN108662392A (en) * | 2018-05-08 | 2018-10-16 | 河南平高电气股份有限公司 | Electric operating mechanism experiment suspension arrangement |
| CN109980562A (en) * | 2019-03-28 | 2019-07-05 | 广东电网有限责任公司 | A kind of more changing device of Alstom disconnecting link anchor ear |
| CN110293508A (en) * | 2019-08-02 | 2019-10-01 | 广东电网有限责任公司 | A kind of switch cabinet current transformer more changing device |
| CN212648924U (en) * | 2020-02-28 | 2021-03-02 | 广东电网有限责任公司 | Special tool for overhauling isolating switch |
-
2020
- 2020-02-28 CN CN202010126874.7A patent/CN111262163B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312514Y (en) * | 1997-07-03 | 1999-03-31 | 叶国荣 | Air-break switch used for changing casings of electrically driven mechanism with no interruption of high tension power |
| CN102856838A (en) * | 2012-08-31 | 2013-01-02 | 国家电网公司 | Tubular bus support insulator changing tool and method |
| US20150113852A1 (en) * | 2013-10-30 | 2015-04-30 | Drifter Marine, Inc. | Fishing net and method of manufacturing same |
| CN103683057A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Tool special for replacing high-voltage isolating switch mechanism hoop |
| CN104600611A (en) * | 2015-01-15 | 2015-05-06 | 国家电网公司 | Portable maintenance platform of disconnecting switch |
| CN205029217U (en) * | 2015-09-02 | 2016-02-10 | 国网北京市电力公司 | Overhaul test device |
| CN106786328A (en) * | 2016-12-28 | 2017-05-31 | 国网浙江省电力公司湖州供电公司 | A kind of Novel lightning arrester external leakage shields anchor ear device |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
| CN108662392A (en) * | 2018-05-08 | 2018-10-16 | 河南平高电气股份有限公司 | Electric operating mechanism experiment suspension arrangement |
| CN109980562A (en) * | 2019-03-28 | 2019-07-05 | 广东电网有限责任公司 | A kind of more changing device of Alstom disconnecting link anchor ear |
| CN110293508A (en) * | 2019-08-02 | 2019-10-01 | 广东电网有限责任公司 | A kind of switch cabinet current transformer more changing device |
| CN212648924U (en) * | 2020-02-28 | 2021-03-02 | 广东电网有限责任公司 | Special tool for overhauling isolating switch |
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| Publication number | Publication date |
|---|---|
| CN111262163B (en) | 2024-03-26 |
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