CN111342377A - Maintenance tool and maintenance method for replacing anchor ear of ALSTOM disconnecting switch without power failure - Google Patents
Maintenance tool and maintenance method for replacing anchor ear of ALSTOM disconnecting switch without power failure Download PDFInfo
- Publication number
- CN111342377A CN111342377A CN202010126920.3A CN202010126920A CN111342377A CN 111342377 A CN111342377 A CN 111342377A CN 202010126920 A CN202010126920 A CN 202010126920A CN 111342377 A CN111342377 A CN 111342377A
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- Prior art keywords
- hoop
- replacing
- alstom
- power failure
- window
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012423 maintenance Methods 0.000 title claims description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 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
- 239000000956 alloy Substances 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
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 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
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention discloses an overhaul tool and an overhaul method for replacing a hoop of an ALSTOM disconnecting switch without power failure, and the overhaul tool and the overhaul method comprise a transition plate, an upper end clamp and a lower end clamp, wherein the transition plate is provided with a hoop replacing window, the hoop replacing window is used for disassembling the hoop to be replaced and installing a new hoop, the transition plate is fixedly connected with the upper end clamp at the upper end of the hoop replacing window, the upper end clamp is clamped on a vertical connecting rod at the upper end of a disconnecting link mechanism, the transition plate is fixedly connected with the lower end clamp at the lower end of the hoop replacing window, and the lower end clamp and the disconnecting link mechanism are clamped on an output shaft. The invention can realize the replacement of the hoop of the equipment in the running state, saves the power failure cost, generates huge economic benefit, greatly shortens the completion time of the replacement work and saves huge labor cost under the condition of ensuring the normal running of the equipment, and adopts the hoop with adjustable diameter to deal with the vertical connecting rods with different pipe diameters.
Description
Technical Field
The invention relates to the field of power grid maintenance, in particular to a maintenance tool and a maintenance method for replacing a hoop of an ALSTOM disconnecting switch 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 solved through the drilling 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 weathering hard fragility bigger, directly punch and cause the staple bolt fracture easily, there is 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 to change prefabricated novel staple bolt and need combine to have a power failure to overhaul to accomplish in the anti-accident measure of electric wire netting and reform transform, 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 all accomplish anti-accident measure tasks and far away have no time.
Disclosure of Invention
The invention provides a maintenance tool for replacing an anchor ear of an ALSTOM disconnecting switch without power outage, which is used for replacing the anchor ear without power outage.
The invention also provides a maintenance method for replacing the hoop of the ALSTOM disconnecting 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 ALSTOM isolator does not have a power failure and changes maintenance frock of staple bolt, includes cab apron, upper end anchor clamps and lower extreme anchor clamps, it has the staple bolt to change the window to cross the cab apron to open, the staple bolt is changed the window and is used for demolising and treats changing the staple bolt and install new staple bolt, cross the upper end and the upper end anchor clamps fixed connection of window are changed at the staple bolt to the cab apron, the above-mentioned upper end anchor clamps press from both sides in the perpendicular connecting rod of switch mechanism upper end, cross the lower extreme and the lower extreme anchor clamps fixed connection of window are changed at the staple bolt to the cab apron, lower extreme anchor clamps press from both sides in the output shaft with switch mechanism, cross cab apron, upper end anchor clamps and lower extreme anchor clamps and.
Preferably, the upper end clamp is an adjustable diameter type hoop, and the adjustable diameter type hoop is suitable for vertical connecting rods with different diameters.
Preferably, the diameter adjusting range of the diameter-adjustable hoop is 40mm-80 mm.
Preferably, the transition plate is provided with a plurality of connecting bolt holes at the upper end of the hoop replacing window, and the upper section clamp is fixedly connected with the transition plate through the bolt holes and the bolts.
Preferably, the transition plate is provided with a plurality of connecting bolt holes at the upper end of the hoop replacing window.
Preferably, the transition plate is provided with a plurality of screw holes at the lower end of the hoop replacing window, and the lower end clamp is fixedly connected to the transition plate through the screw holes.
Preferably, the lower end clamp is a stop bolt which is suitable for various output shafts with different polarities, and the stop bolt can assist in realizing electrified fine adjustment of the isolating switch to enable the isolating switch to be switched on and off in place.
Preferably, the transition plate is provided with six screw holes at the lower end of the hoop replacing window.
Preferably, the number of the stop bolts is four, one stop bolt corresponds to one of six screw holes, a proper screw hole is selected according to the size of the lower end mechanism, and when the isolation switch is not switched on or switched off in place, the position of the contact of the electrified micro-adjustment switch can be achieved by adjusting the nut in an auxiliary mode, so that the switch is switched on and off in place.
An overhauling method for replacing a hoop of an ALSTOM disconnecting switch without power failure, which is applied to the overhauling tool set forth in any one of claims 1 to 9, and 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 the original positions of the vertical connecting rod and the mechanism flange of which the tool is fixed by using a marking pen, then removing the original hoop, mounting a new hoop with a positioning pin back to the mechanism, and locking the new hoop according to the 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:
the invention can realize the replacement of the hoop of the equipment in the running state, saves the power failure cost, generates huge economic benefit, adopts aluminum alloy materials with excellent performance, is light and durable, has simple structure, is very convenient and fast to disassemble, only needs 20 minutes for replacing one set of hoop, greatly shortens the completion time of replacement work under the condition of ensuring the normal running of the equipment, saves huge labor cost, and adopts the hoop with adjustable diameter to deal with the vertical connecting rods with different pipe diameters.
Drawings
FIG. 1 is a schematic diagram of a maintenance tool for replacing an anchor ear of an ALSTOM disconnecting switch without power failure.
Fig. 2 is a front view of a maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure.
FIG. 3 is a side view of the maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure.
Fig. 4 is a top view of the maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure.
Fig. 5 is a schematic flow chart of an overhaul method for replacing the hoop of the ALSTOM disconnecting switch without power failure.
In the figure, 1 is a transition plate, 11 is a connecting bolt hole, 12 is a screw hole, 2 is an upper end clamp, 3 is a lower end clamp, 4 is a hoop replacing window, 5 is a hoop to be replaced, 6 is a vertical connecting rod, 7 is a disconnecting link mechanism, and 8 is an output shaft.
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 present 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
This embodiment provides an overhaul frock of ALSTOM isolator change staple bolt that does not have a power failure, like fig. 1 to 4, including cab apron 1, upper end anchor clamps 2 and lower extreme anchor clamps 3, it has staple bolt change window 4 to cross cab apron 1 to open, staple bolt change window 4 is used for demolising and treats to change staple bolt 5 and the new staple bolt of installation, cross cab apron 1 and change window 4's upper end and upper end anchor clamps 2 fixed connection at the staple bolt, upper end anchor clamps 2 clamp is in the perpendicular connecting rod 6 of 7 upper ends of switch mechanism, cross cab apron 1 and change window 4's lower extreme and lower extreme anchor clamps 3 fixed connection at the staple bolt, lower extreme anchor clamps 3 clamp in output shaft 8 with switch mechanism 7.
The upper end clamp 2 is an anchor ear with an adjustable diameter.
The diameter adjusting range of the diameter-adjustable hoop is 40mm-80 mm.
The upper end of the hoop replacing window 4 of the transition plate 1 is provided with a plurality of connecting bolt holes 11, and the upper section fixture is fixedly connected with the transition plate 1 through the bolt holes and bolts.
The transition plate 1 is provided with a plurality of connecting bolt holes 11 at the upper end of the hoop replacing window 4.
The lower end of the hoop replacing window 4 of the transition plate 1 is provided with a plurality of screw holes 12, and the lower end clamp 3 is fixedly connected to the transition plate 1 through the screw holes 12.
The lower end clamp 3 is a stop bolt.
Six screw holes 12 are formed in the lower end of the hoop replacing window 4 of the transition plate 1.
There are four stop bolts, one for each of the six screw holes 12.
In a specific implementation process, a maintenance method for replacing a hoop of an ALSTOM disconnecting switch without power failure is applied to the maintenance tool of any one of claims 1 to 9, and 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 the original positions of the vertical connecting rod and the mechanism flange of which the tool is fixed by using a marking pen, then removing the original hoop, mounting a new hoop with a positioning pin back to the mechanism, and locking the new hoop according to the 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. It will be apparent to those skilled in the art that other variations and modifications can be made on the basis 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 ALSTOM isolator does not have a power failure and changes maintenance frock of staple bolt, its characterized in that, includes cab apron, upper end anchor clamps and lower extreme anchor clamps, it has the staple bolt to change the window to cross the cab apron to open, the staple bolt is changed the window and is used for demolising and treats the staple bolt and install new staple bolt, cross the upper end and the upper end anchor clamps fixed connection of window are changed at the staple bolt to the cab apron, upper end anchor clamps clamp is in the perpendicular connecting rod of switch mechanism upper end, cross the lower extreme and the lower extreme anchor clamps fixed connection of window are changed at the staple bolt to the cab apron, lower extreme anchor clamps and switch mechanism clamp in the output shaft.
2. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 1, wherein the upper end clamp is an adjustable-diameter hoop.
3. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 2, wherein the diameter adjusting range of the adjustable diameter type hoop is 40mm-80 mm.
4. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 3, wherein a plurality of connecting bolt holes are formed in the upper end of the hoop replacing window of the transition plate, and the upper end clamp is fixedly connected with the transition plate through the bolt holes and bolts.
5. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 4, wherein the transition plate is provided with four connecting bolt holes at the upper end of the hoop replacing window.
6. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 5, wherein the transition plate is provided with a plurality of screw holes at the lower end of the hoop replacing window, and the lower end clamp is fixedly connected to the transition plate through the screw holes.
7. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 6, wherein the lower end clamp is a stop bolt.
8. The maintenance tool for replacing the hoop of the ALSTOM disconnecting switch without power failure according to claim 7, wherein the transition plate is provided with six screw holes at the lower end of the hoop replacing window.
9. The maintenance frock of ALSTOM isolator not cut off power supply and change staple bolt of claim 8, characterized in that, stop bolt has four, and a stop bolt corresponds one in six screw.
10. An overhauling method for replacing a hoop of an ALSTOM disconnecting switch without power failure is characterized in that the overhauling method is applied to the overhauling tool set forth in any one of claims 1 to 9, and 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 |
|---|---|---|---|
| CN202010126920.3A CN111342377B (en) | 2020-02-28 | 2020-02-28 | Maintenance tool and maintenance method for replacing anchor ear of ALSTOM isolating switch without power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126920.3A CN111342377B (en) | 2020-02-28 | 2020-02-28 | Maintenance tool and maintenance method for replacing anchor ear of ALSTOM isolating switch without power failure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111342377A true CN111342377A (en) | 2020-06-26 |
| CN111342377B CN111342377B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010126920.3A Active CN111342377B (en) | 2020-02-28 | 2020-02-28 | Maintenance tool and maintenance method for replacing anchor ear of ALSTOM isolating switch without power failure |
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| CN (1) | CN111342377B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259397A (en) * | 2020-09-30 | 2021-01-22 | 国网山东省电力公司昌乐县供电公司 | High-voltage disconnecting link replacing and fixing device |
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| CN212258220U (en) * | 2020-02-28 | 2020-12-29 | 广东电网有限责任公司 | Maintenance frock of change staple bolt that ALSTOM isolator does not have a power failure |
-
2020
- 2020-02-28 CN CN202010126920.3A patent/CN111342377B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007013440A1 (en) * | 2007-03-21 | 2008-09-25 | Klotter, Werner | Clamp for medium-voltage system or distribution stations for maintaining and repairing medium-voltage switch, is attached in form of movable clamping jaws and opposite support in geometrical form |
| CN102412517A (en) * | 2011-12-12 | 2012-04-11 | 辽宁省电力有限公司锦州供电公司 | Method for disconnecting and connecting neutral point isolation switch leads of 66kV transformer in electrification |
| CN102611035A (en) * | 2012-03-15 | 2012-07-25 | 福建省电力有限公司三明电业局 | Special tool and method for charged replacement of middle-phase tension insulator |
| CN102983035A (en) * | 2012-11-21 | 2013-03-20 | 正泰电气股份有限公司 | Three phase earthing switch structure driven by duplex pull rods and distributed in I shape |
| CN103318745A (en) * | 2013-06-06 | 2013-09-25 | 国家电网公司 | Lightweight special-purposed spreader and mounting method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259397A (en) * | 2020-09-30 | 2021-01-22 | 国网山东省电力公司昌乐县供电公司 | High-voltage disconnecting link replacing and fixing device |
| CN112259397B (en) * | 2020-09-30 | 2024-02-27 | 国网山东省电力公司昌乐县供电公司 | High-voltage disconnecting link replacement fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111342377B (en) | 2024-03-26 |
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