CN109244907B - Ring main unit binding post sleeve repairing method - Google Patents
Ring main unit binding post sleeve repairing method Download PDFInfo
- Publication number
- CN109244907B CN109244907B CN201811136077.6A CN201811136077A CN109244907B CN 109244907 B CN109244907 B CN 109244907B CN 201811136077 A CN201811136077 A CN 201811136077A CN 109244907 B CN109244907 B CN 109244907B
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- China
- Prior art keywords
- sleeve
- prefabricated
- post sleeve
- main unit
- ring main
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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
Abstract
The invention discloses a method for repairing a ring main unit wiring column sleeve, which comprises the following steps: grinding and polishing the slightly damaged insulating layer of the binding post sleeve; cleaning the outer wall of the polished and polished junction post sleeve; gluing the outer wall of the cleaned binding post sleeve; providing a prefabricated sleeve, and cleaning the inner wall of the prefabricated sleeve; gluing the inner wall of the prefabricated sleeve; sleeving a prefabricated sleeve on the wiring post sleeve; and rotating the prefabricated sleeve to enable the prefabricated sleeve to be connected with the wiring post sleeve in a sealing mode. By applying the method and the device, the slightly damaged wiring column sleeve of the ring main unit can be repaired, and the maintenance problem of the slightly damaged wiring column sleeve insulator of the ring main unit is solved.
Description
Technical Field
The invention relates to the technical field of ring main units, in particular to a repairing method for a binding post sleeve of a ring main unit.
Background
The ring main unit is simple to install and convenient to network and is widely used in a power distribution network at present. The bushing used in the ring main unit generates tiny crack discharge and water tree discharge due to the influences of factors such as overload of power load, over-high temperature, air humidity and the like, so that the insulation strength of a bushing insulator is reduced, and power accidents and power grid outage can be caused in severe cases, thereby generating adverse social influence and direct economic loss. In the process of implementing the invention, the inventor finds that the prior art has at least the following technical problems: for the sleeve insulator with a part of slightly damaged sleeves, the sleeves of the inflatable ring main unit are directly replaced, so that the economic cost is high, SF6 gas needs to be charged and discharged, the operation is complex, and the gas is toxic, unsafe, time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a repairing method of a wiring column sleeve of a ring main unit, which aims to solve the maintenance problem of a slightly damaged wiring column sleeve insulator of the ring main unit.
In order to achieve the purpose of the present invention, an embodiment of the present invention provides a method for repairing a ring main unit connection post sleeve, including the following steps:
s101, grinding and polishing the slightly damaged insulating layer of the binding post sleeve;
s102, cleaning the outer wall of the polished and polished junction post sleeve;
s103, gluing the outer wall of the cleaned binding post sleeve;
s104, providing a prefabricated sleeve, and cleaning the inner wall of the prefabricated sleeve;
s105, gluing the inner wall of the prefabricated sleeve;
s106, sleeving a prefabricated sleeve on the terminal post sleeve;
s107, the prefabricated sleeve is rotated, so that the prefabricated sleeve and the terminal post sleeve are connected in a sealing mode.
Wherein, after executing the step S107, executing the following steps:
s108, cleaning the overflowing glue, and heating the glue by using a heating device to accelerate the solidification of the glue between the prefabricated sleeve and the terminal post sleeve.
The glue used in the step S103 and the step S105 is an organic silicon adhesive.
The structure of the groove is matched with that of the terminal post sleeve.
In step S108, the heating temperature is 50 degrees.
Wherein, the step S101 specifically includes: and grinding and polishing the slightly damaged insulating layer of the binding post sleeve by using a prefabricated conical barrel grinding tool and a polishing tool.
Wherein, the step S102 specifically includes: and cleaning the outer wall of the terminal post sleeve after polishing and polishing by dipping soft glasses cloth in industrial alcohol or solvent type cleaning agent.
The embodiment of the invention at least has the following beneficial effects:
1) the embodiment of the invention provides a method for repairing a ring main unit wiring column sleeve, which can be used for rapidly repairing a slightly damaged sleeve due to the use of a prefabricated sleeve, is high in reliability and can save the maintenance cost.
2) According to the embodiment of the invention, the organic silica gel adhesive is used for bonding and connecting the prefabricated sleeve and the binding post sleeve, and the organic silica gel adhesive has the advantages of high temperature resistance, high pressure resistance, outstanding waterproof performance and strong adhesiveness, and ensures seamless bonding between the sleeve and the sleeve.
3) The repairing method provided by the embodiment of the invention has the advantages that the steps are simple, the economic cost of the used material is low, the construction cost and the material cost can be saved, the inflation and the deflation of SF6 gas are not needed, and the method is safe and reliable.
In summary, the embodiment of the application solves the maintenance problem of the slightly damaged wiring terminal sleeve insulator of the ring main unit; other benefits not described in detail herein will be described in further detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for repairing a binding post sleeve of a ring main unit according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a ring main unit junction post sleeve and a prefabricated sleeve in the embodiment of the invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, well known techniques have not been described in detail in order to not unnecessarily obscure the present invention.
The embodiment of the invention provides a method for repairing a wiring column sleeve of a ring main unit, which can be particularly applied to repairing of the wiring column sleeve of an inflatable ring main unit.
As shown in fig. 1, the repairing method of the binding post sleeve of the ring main unit includes the following steps:
s101, grinding and polishing the slightly damaged insulating layer of the terminal sleeve 1 to enable the surface of the terminal sleeve 1 to be smooth; the structure of the terminal post sleeve 1 is shown in figure 2.
S102, cleaning the outer wall of the terminal sleeve 1 after polishing and polishing, and removing dust and impurities on the outer wall of the sleeve 1.
S103, gluing the outer wall of the cleaned binding post sleeve 1, wherein the glue needs to be uniform during gluing and no blank is left.
S104, providing a prefabricated sleeve 2, and cleaning the inner wall of the prefabricated sleeve 2; wherein, the prefabricated sleeve 2 is structurally shown in figure 2.
S105, gluing the inner wall of the prefabricated sleeve 2, wherein the glue needs to be uniform during gluing and no blank is left.
S106, sleeving the prefabricated sleeve 2 on the terminal sleeve 1.
S107, rotating the prefabricated sleeve 2 around the binding post sleeve 1 to enable the two layers of glue to be in full contact, and extruding a gap between the two layers to enable the prefabricated sleeve 2 and the binding post sleeve 1 to be in sealing connection.
After the rotation operation of step S107, there is a possibility that the glue overflows, and then the glue overflowing at this time needs to be cleaned and heated by a heating device, which may be a hot air cylinder, to accelerate the curing of the glue between the preformed sleeve 2 and the terminal sleeve 1.
Specifically, the embodiment of the invention provides a method for repairing a ring main unit junction post sleeve 1, which can quickly repair a slightly damaged sleeve 1 due to the use of a prefabricated sleeve 2, has high reliability and can save maintenance cost. The repairing method provided by the embodiment of the invention has the advantages that the steps are simple, the economic cost of the used material is low, and the construction cost and the material cost can be saved.
The glue used in the step S103 and the step S105 is an organic silicon adhesive. According to the embodiment of the invention, the organic silica gel adhesive is used for bonding and connecting the prefabricated sleeve 2 and the wiring terminal sleeve 1, and the organic silica gel adhesive has the advantages of high temperature resistance, high pressure resistance, outstanding waterproof performance and strong adhesion, and ensures seamless bonding between the sleeve 1 and the sleeve 2.
A groove is formed in the prefabricated sleeve 2, and the structure of the groove is matched with that of the wiring column sleeve 1, so that the wiring column sleeve 1 can be inserted into the groove and attached to the inner wall of the groove.
In step S108, the heating temperature is 50 degrees.
Wherein, the step S101 specifically includes: the slightly damaged insulation layer of the terminal sleeve 1 is ground and polished by using a pre-manufactured cone grinding tool and a polishing tool.
Wherein, the step S102 specifically includes: and cleaning the outer wall of the terminal sleeve 1 after polishing and polishing by dipping soft glasses cloth in industrial alcohol or solvent type cleaning agent.
While embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (5)
1. A repairing method for a binding post sleeve of a ring main unit is characterized by comprising the following steps:
s101, grinding and polishing the slightly damaged insulating layer of the binding post sleeve;
s102, cleaning the outer wall of the polished and polished junction post sleeve;
s103, gluing the outer wall of the cleaned binding post sleeve;
s104, providing a prefabricated sleeve, and cleaning the inner wall of the prefabricated sleeve;
s105, gluing the inner wall of the prefabricated sleeve;
s106, sleeving a prefabricated sleeve on the terminal post sleeve; the structure of the groove is matched with that of the terminal post sleeve;
s107, rotating the prefabricated sleeve to enable the prefabricated sleeve and the terminal post sleeve to be connected in a sealing mode;
s108, cleaning the overflowing glue, and heating the glue by using a heating device to accelerate the solidification of the glue between the prefabricated sleeve and the terminal post sleeve.
2. The method for repairing the binding post sleeve of the ring main unit according to claim 1, wherein the glue used in the step S103 and the step S105 is organic silicon adhesive.
3. The method for repairing a post sleeve of a ring main unit according to claim 2, wherein the heating temperature in step S108 is 50 ℃.
4. The method for repairing the binding post sleeve of the ring main unit according to claim 1, wherein the step S101 specifically includes: and grinding and polishing the slightly damaged insulating layer of the binding post sleeve by using a prefabricated conical barrel grinding tool and a polishing tool.
5. The method for repairing a post sleeve of a ring main unit according to claim 1, wherein the step S102 specifically includes: and cleaning the outer wall of the terminal post sleeve after polishing and polishing by dipping soft glasses cloth in industrial alcohol or solvent type cleaning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136077.6A CN109244907B (en) | 2018-09-28 | 2018-09-28 | Ring main unit binding post sleeve repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136077.6A CN109244907B (en) | 2018-09-28 | 2018-09-28 | Ring main unit binding post sleeve repairing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244907A CN109244907A (en) | 2019-01-18 |
| CN109244907B true CN109244907B (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811136077.6A Active CN109244907B (en) | 2018-09-28 | 2018-09-28 | Ring main unit binding post sleeve repairing method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5826884A (en) * | 1996-07-30 | 1998-10-27 | Caterpillar Inc. | Track joint sealing assembly for sealing a track joint having ceramic and elastomeric seal portions |
| CN105751537A (en) * | 2014-12-13 | 2016-07-13 | 重庆泰达模具制造有限公司 | Bonding repair process of high pressure plastic air duct |
| CN206481026U (en) * | 2016-11-22 | 2017-09-08 | 国网浙江省电力公司绍兴供电公司 | A kind of split type cable protection pipe |
| CN207319902U (en) * | 2017-04-01 | 2018-05-04 | 福建省闽西天龙变压器有限公司 | Dry-type transformer tap repair apparatus |
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| CN109244907A (en) | 2019-01-18 |
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