CN111313320A - Replacing appliance - Google Patents
Replacing appliance Download PDFInfo
- Publication number
- CN111313320A CN111313320A CN202010112132.9A CN202010112132A CN111313320A CN 111313320 A CN111313320 A CN 111313320A CN 202010112132 A CN202010112132 A CN 202010112132A CN 111313320 A CN111313320 A CN 111313320A
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- bracket
- rod
- insulator string
- strain insulator
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Insulators (AREA)
Abstract
The invention provides a replacing device for replacing a strain insulator string in an electrified way, which comprises: the clamping device comprises a front clamping piece, a rear clamping piece and two extension rods connected between the front clamping piece and the rear clamping piece, wherein the front clamping piece and the rear clamping piece are respectively detachably clamped at a front fixed end and a rear fixed end of the strain insulator string, and the front clamping piece is also provided with a penetrating piece; the bottle supporting frame is used for supporting the strain insulator string, one end of the bottle supporting frame is hinged with the rear clamping piece, and the other end of the bottle supporting frame can be controlled to extend into or out of the penetrating piece; when the strain insulator string is disconnected with the front fixed end, the other end of the bottle supporting frame extends out of the penetrating piece, and the bottle supporting frame supports the strain insulator string and can be controlled to rotate relative to the rear clamping piece in a pivoting mode. By applying the technical scheme, the effect of replacing the strain insulator string in an electrified way can be realized.
Description
Technical Field
The invention relates to the field of tools for high-voltage transmission lines, in particular to an instrument for replacing a strain insulator string in an electrified way.
Background
The V-shaped strain insulator string is a key technology in compact line towers (such as 2202DZMV type and 220ZM type), can effectively limit the swing amplitude of wires, and reduce the size of a tower head and the dynamic and static widths of a corridor. However, when the V-shaped strain insulator string has the defects of lightning stroke, self-explosion and the like, the difficulty and the danger of live-line maintenance are very high, so the maintenance is carried out all over the country by adopting a power failure operation mode, and in the traditional replacement method, two operating hooks are adopted to completely hook the lower half part of the strain insulator string, so that the strain insulator string is easy to unhook, and the potential safety hazard is caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a replacing device capable of replacing a strain insulator string in an electrified way.
In order to solve the above technical problem, the present invention provides a replacing device for replacing a strain insulator string in an electrified manner, including:
the clamping device comprises a front clamping piece, a rear clamping piece and two extension rods connected between the front clamping piece and the rear clamping piece, wherein the front clamping piece and the rear clamping piece are respectively detachably clamped at a front fixed end and a rear fixed end of the strain insulator string, and the front clamping piece is also provided with a penetrating piece;
the bottle supporting frame is used for supporting the strain insulator string, one end of the bottle supporting frame is hinged with the rear clamping piece, and the other end of the bottle supporting frame can be controlled to extend into or out of the penetrating piece;
when the strain insulator string is disconnected with the front fixed end, the other end of the bottle supporting frame extends out of the penetrating piece, and the bottle supporting frame supports the strain insulator string and can be controlled to rotate relative to the rear clamping piece in a pivoting mode.
Preferably, the bottle supporting frame comprises a first bracket, a second bracket and a control rod, the first bracket is hinged to the rear clamping piece, and the control rod is in transmission connection with the second bracket and drives the second bracket to slide and stretch on the first bracket.
Preferably, the lever is provided on the first bracket adjacent to the rear clip piece.
Preferably, the first bracket comprises a sliding groove extending along the length direction of the first bracket, the first bracket is further provided with a limiting through groove extending along the length direction of the first bracket, the control lever penetrates through the limiting through groove and then is fixedly connected with the tail end of the second bracket, and the control lever is controlled to slide in the limiting through groove and drive the second bracket to slide in the sliding groove.
Preferably, the first bracket comprises two first rod bodies arranged in parallel and a bearing rod connected between the two first rod bodies, the first bracket comprises two sliding grooves arranged on the first rod bodies, the second bracket comprises two second rod bodies arranged in parallel, and the second rod bodies slide in the sliding grooves.
Preferably, the penetrating piece comprises two hanging rings arranged on the front clamping piece, and the second rod body extends into or out of the hanging rings.
Preferably, one end of each of the two first rod bodies, which is far away from the rear clamping piece, is provided with a pull ring.
Preferably, the extension rod is provided with a plurality of positioning holes at one end far away from the rear clamping piece, the positioning holes are arranged at intervals along the length direction of the extension rod, and the front clamping piece is positioned and installed in one of the positioning holes.
Preferably, the extension rod with the back fastener passes through the lead screw and is connected, the lead screw still includes the lead screw action bars, and it is used for adjusting the relative distance of preceding fastener and back fastener and clamp support preceding stiff end and back stiff end.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects: the telescopic bottle supporting frame can adapt to different installation angles by adjusting the length of the bottle supporting frame;
drawings
FIG. 1 is a side view of a replacement appliance in accordance with a preferred embodiment of the present invention;
fig. 2 is a top view of a replacement appliance in a preferred embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.
The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1-2, a replacing device 100 for replacing a strain insulator string in an electrified manner includes: the clamp 1 comprises a front clamp part 11, a rear clamp part 12 and two extension rods 13 connected between the front clamp part 11 and the rear clamp part 12, wherein the front clamp part 11 and the rear clamp part 12 are detachably clamped at the front fixed end and the rear fixed end of the strain insulator string respectively, and the front clamp part 11 is further provided with a penetrating part 111; the bottle supporting frame 2 is used for supporting the strain insulator string, one end of the bottle supporting frame 2 is hinged with the rear clamping piece 12, and the other end of the bottle supporting frame 2 can be controlled to extend into or out of the penetrating piece 111; when the strain insulator string is disconnected from the front fixed end, the other end of the bottle support frame 2 extends out of the penetrating piece 111, and the bottle support frame 2 supports the strain insulator string and can be controlled to pivot relative to the rear clamping piece 12.
The extension rod 13 is provided with a plurality of positioning holes 131 at one end far away from the rear clamping piece 12, the positioning holes 131 are arranged at intervals along the length direction of the extension rod 13, and the front clamping piece 11 is positioned and installed in one of the positioning holes 131. The extension rod 13 is connected with the rear clamping piece 12 through a screw rod 14, and the screw rod 14 further comprises a screw rod operating rod 141 which is used for adjusting the relative distance between the front clamping piece 11 and the rear clamping piece 12 and clamping the front fixing end and the rear fixing end.
When in use, the position of the front clamping piece 11 on the extension rod 13 is adjusted according to the length of the strain insulator string, the corresponding positioning hole 131 is aligned and installed, because there are two extension rods 13, the front clamping piece 11 is installed on the two corresponding positioning holes 131, and the installation mode can be through fastening elements such as screws, and the like, but not limited thereto.
In the specific application, because the strain insulator string is applied to the replacement of the V-shaped strain insulator string, the rear fixed end of the strain insulator string is arranged on the telegraph pole. The front fixed end is suspended, and a V-shaped strain insulator string is realized by connecting two insulation strings at the front fixed end.
In the process of replacing the strain insulator string, the fixture 1 can temporarily connect one of the rear fixing end and the front fixing end, and prevent unnecessary damage caused by movement or shaking of the other strain insulator string which does not need to be replaced.
During the process of installing the fixture 1, the lead screw 14 can be used to finely adjust the distance between the front clamping piece 11 and the rear clamping piece 12 and provide a pre-tightening force, so that the front fixing end and the rear fixing end are connected more firmly.
The bottle holding rack 2 comprises a first bracket 21, a second bracket 22 and a control rod 23, wherein the first bracket 21 is hinged with the rear clamping piece 12, the control rod 23 is in transmission connection with the second bracket 22 and drives the second bracket 22 to slidably extend and retract on the first bracket 21, and the control rod 23 is arranged on the first bracket 21 and is adjacent to the rear clamping piece 12. The setting position of the control rod 23 can be convenient for the operation and control of the operator on the telegraph pole.
The first bracket 21 includes a sliding groove 212 extending along the length direction thereof, the first bracket 21 is further provided with a limiting through groove 213 extending along the length direction thereof, the operating lever passes through the limiting through groove 213 and then is fixedly connected with the tail end of the second bracket 22, and the operating lever is controlled to slide in the limiting through groove 213 and drives the second bracket 22 to slide in the sliding groove 212. The first bracket 21 comprises two first rod bodies 214 arranged in parallel and a supporting rod 215 connected between the two first rod bodies 214, the first bracket 21 comprises two sliding grooves 212 arranged on the first rod bodies 214, the second bracket 22 comprises two second rod bodies 221 arranged in parallel, and the second rod bodies 221 slide in the sliding grooves 212. The penetration pieces 111 are two hanging rings arranged on the front clamping piece 11, and the second rod 221 extends into or out of the hanging rings.
In this embodiment, two ends of the first rod 214, which are far away from the rear clamping member 12, are respectively provided with a pull ring 2141, so that an operator on the electric tower can hang the bottle support frame 2 through two operation hooks, and the bottle support frame 2 drives the strain insulator string to slowly descend and suspend on the rear fixing end.
In the replacement process of the strain insulator string, the fixture 1 is firstly installed on the front fixed end and the rear fixed end and is pre-tightened through the screw rod 14. The bottle support 2 is then lifted by an operator on the tower using the operating hook until the second rod 221 of the bottle support 2 is aligned with the hanging ring, and at this time, the operator on the utility pole pushes the second rod 221 into the hanging ring by the operating rod 23, and the bottle support 2 is fixed on the clamp 1.
At this time, the operator on the electric tower disconnects the strain insulator string from the front fixed end through some insulating tools, the strain insulator string is supported by the supporting rods 215, and the strain insulator string can be clamped into the spacing space in an aligned manner because the supporting rods 215 are arranged at intervals.
The operator on the tower continues to hook the first rod body 214 through the operating hook, at this time, the operator on the telegraph pole pulls the operating rod 23 and makes the second rod body 221 separate from the hanging ring, and the operator on the tower slowly puts down the bottle support 2 until the bottle support 2 is suspended.
After the damaged strain insulator is replaced, the bottle support frame 2 is lifted through the operating hook, the second rod body 221 of the bottle support frame 2 is aligned to the hanging ring, an operator on the telegraph pole pushes the second rod body 221 to stretch into the hanging ring through the operating rod 23, and the bottle support frame 2 is fixed on the fixture 1 again. The operating personnel who is located on the electric tower at this moment makes strain insulator string with preceding stiff end is connected through some insulating tool, and the installation is changed and is accomplished, only need at this moment should change utensil 100 and take off from strain insulator string can.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (9)
1. The utility model provides a change utensil for change strain insulator string with electricity, its characterized in that includes:
the clamping device comprises a front clamping piece, a rear clamping piece and two extension rods connected between the front clamping piece and the rear clamping piece, wherein the front clamping piece and the rear clamping piece are respectively detachably clamped at a front fixed end and a rear fixed end of the strain insulator string, and the front clamping piece is also provided with a penetrating piece;
the bottle supporting frame is used for supporting the strain insulator string, one end of the bottle supporting frame is hinged with the rear clamping piece, and the other end of the bottle supporting frame can be controlled to extend into or out of the penetrating piece;
when the strain insulator string is disconnected with the front fixed end, the other end of the bottle supporting frame extends out of the penetrating piece, and the bottle supporting frame supports the strain insulator string and can be controlled to rotate relative to the rear clamping piece in a pivoting mode.
2. The replacement appliance of claim 1 wherein: the bottle supporting frame comprises a first bracket, a second bracket and a control rod, the first bracket is hinged with the rear clamping piece, and the control rod is in transmission connection with the second bracket and drives the second bracket to stretch and retract on the first bracket in a sliding mode.
3. The replacement appliance of claim 2 wherein: the lever is disposed on the first bracket and adjacent to the rear catch.
4. The replacement appliance of claim 3 wherein: the first bracket comprises a sliding groove extending along the length direction of the first bracket, the first bracket is further provided with a limiting through groove extending along the length direction of the first bracket, the control rod penetrates through the limiting through groove and then is fixedly connected with the tail end of the second bracket, and the control rod is controlled to slide in the limiting through groove and drive the second bracket to slide in the sliding groove.
5. The replacement appliance of claim 4 wherein: the first bracket comprises two first rod bodies arranged in parallel and a bearing rod connected between the two first rod bodies, the first bracket comprises two sliding grooves arranged on the first rod bodies, the second bracket comprises two second rod bodies arranged in parallel, and the second rod bodies slide in the sliding grooves.
6. The replacement appliance of claim 5 wherein: the penetrating piece comprises two hanging rings arranged on the front clamping piece, and the second rod body extends into or out of the hanging rings.
7. The replacement appliance of claim 6 wherein: and one end of each of the two first rod bodies, which is far away from the rear clamping piece, is provided with a pull ring respectively.
8. The replacement appliance of any one of claims 1 to 7 wherein: the extension rod is provided with a plurality of positioning holes at one end far away from the rear clamping piece, the positioning holes are arranged at intervals along the length direction of the extension rod, and the front clamping piece is positioned and installed in one of the positioning holes.
9. The replacement appliance of claim 8 wherein: the extension rod with the back fastener passes through the lead screw and is connected, the lead screw still includes the lead screw action bars, and it is used for adjusting the relative distance of preceding fastener and back fastener and clamp support preceding stiff end and back stiff end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112132.9A CN111313320B (en) | 2020-02-24 | 2020-02-24 | Replacing device for replacing strain insulator string in electrified manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112132.9A CN111313320B (en) | 2020-02-24 | 2020-02-24 | Replacing device for replacing strain insulator string in electrified manner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111313320A true CN111313320A (en) | 2020-06-19 |
| CN111313320B CN111313320B (en) | 2021-07-27 |
Family
ID=71148015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112132.9A Expired - Fee Related CN111313320B (en) | 2020-02-24 | 2020-02-24 | Replacing device for replacing strain insulator string in electrified manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111313320B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202651692U (en) * | 2012-06-11 | 2013-01-02 | 江苏省电力公司镇江供电公司 | Large-knife clamp tool for changing double-strain string insulator |
| CN202817606U (en) * | 2012-10-19 | 2013-03-20 | 山东电力集团公司枣庄供电公司 | Horizontal supporting frame for replacing line insulator |
| CN203289015U (en) * | 2013-05-17 | 2013-11-13 | 国家电网公司 | Professional telescopic insulating insulator cradle for power transmission |
| CN203690799U (en) * | 2014-01-02 | 2014-07-02 | 国家电网公司 | Device for replacing suspension angle tower insulator string in live state |
| CN104201614A (en) * | 2014-09-23 | 2014-12-10 | 国家电网公司 | Method and device for replacing double-string strain insulators in twin bundled lines by remote operations |
| CN204012466U (en) * | 2014-08-22 | 2014-12-10 | 重庆工商职业学院 | Concertina type bottle-holding rack |
| CN106033872A (en) * | 2015-03-12 | 2016-10-19 | 国家电网公司 | Tool for equipotential replacement of single-joint double-flexible bus tension insulator |
| CN106169714A (en) * | 2016-08-05 | 2016-11-30 | 徐伟明 | The method of transmission line of electricity earth potential live replacing any bunch of insulator of straight line V-type |
| CN106300138A (en) * | 2016-10-27 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | A kind of fixture of live-line replacing strain single insulator |
| CN105914646B (en) * | 2016-04-26 | 2018-07-20 | 国网江苏省电力有限公司常州供电分公司 | Charged for replacement 35kV strain insulator string operational methods |
| CN208158004U (en) * | 2018-05-30 | 2018-11-27 | 广东电网有限责任公司 | Bearing assembly and insulator replacement tool |
-
2020
- 2020-02-24 CN CN202010112132.9A patent/CN111313320B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202651692U (en) * | 2012-06-11 | 2013-01-02 | 江苏省电力公司镇江供电公司 | Large-knife clamp tool for changing double-strain string insulator |
| CN202817606U (en) * | 2012-10-19 | 2013-03-20 | 山东电力集团公司枣庄供电公司 | Horizontal supporting frame for replacing line insulator |
| CN203289015U (en) * | 2013-05-17 | 2013-11-13 | 国家电网公司 | Professional telescopic insulating insulator cradle for power transmission |
| CN203690799U (en) * | 2014-01-02 | 2014-07-02 | 国家电网公司 | Device for replacing suspension angle tower insulator string in live state |
| CN204012466U (en) * | 2014-08-22 | 2014-12-10 | 重庆工商职业学院 | Concertina type bottle-holding rack |
| CN104201614A (en) * | 2014-09-23 | 2014-12-10 | 国家电网公司 | Method and device for replacing double-string strain insulators in twin bundled lines by remote operations |
| CN106033872A (en) * | 2015-03-12 | 2016-10-19 | 国家电网公司 | Tool for equipotential replacement of single-joint double-flexible bus tension insulator |
| CN105914646B (en) * | 2016-04-26 | 2018-07-20 | 国网江苏省电力有限公司常州供电分公司 | Charged for replacement 35kV strain insulator string operational methods |
| CN106169714A (en) * | 2016-08-05 | 2016-11-30 | 徐伟明 | The method of transmission line of electricity earth potential live replacing any bunch of insulator of straight line V-type |
| CN106300138A (en) * | 2016-10-27 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | A kind of fixture of live-line replacing strain single insulator |
| CN208158004U (en) * | 2018-05-30 | 2018-11-27 | 广东电网有限责任公司 | Bearing assembly and insulator replacement tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111313320B (en) | 2021-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104835414A (en) | Overhead conductor safety warning sign hanging tool | |
| CN105514877B (en) | Common-tower double-return steel pipe pole replacement insulation subjob cross-arm fixture | |
| CN101286625A (en) | Electric replacement device for suspended insulator chain | |
| CN103594968A (en) | Lifting device of multiple divided conductors of transmission tower | |
| CN203481420U (en) | Grounding wire device used for power transmission line overhauling | |
| CN203967713U (en) | For the terminal clamping device of crane cable | |
| CN202197071U (en) | Twisted annular anti-galloping spacing rod | |
| CN203632168U (en) | Improved structure of bundling wire suspension wire clamp | |
| CN106340241B (en) | Transmission line warning sign linkage | |
| CN204144784U (en) | A kind of adjustable strain insulator wire load replacing insulator protective device | |
| CN212695681U (en) | Suspend in midair interim insulating peg of bypass cable | |
| CN111313320B (en) | Replacing device for replacing strain insulator string in electrified manner | |
| CN204496852U (en) | A kind of aerial condutor safety warning-panel hanging tool | |
| CN204577646U (en) | Extension type ground wire fixing device | |
| CN211239257U (en) | Drainage line pair bracing strut convenient to installation | |
| CN203491604U (en) | High-voltage tension resistant insulator string auxiliary installation device | |
| CN205960567U (en) | Novel flexible adjustable electric power support | |
| CN208299326U (en) | Live-line replacing hangs bottle combination tool | |
| CN107910804B (en) | Rotating disc type insulating operating rod hanging frame | |
| CN215452463U (en) | Be applied to overhead line's electric power fitting | |
| CN2552142Y (en) | Tension-proof horizontal isolator hot-line replacing device | |
| CN203690797U (en) | Cross arm side clamp used for insulator chain maintenance | |
| CN202978115U (en) | Pedestal type/hanging type dual-mode pay-off pulley apparatus | |
| CN206211407U (en) | The fixture of charged for replacement double bundle conductor strain list insulator string | |
| CN108512175A (en) | Double circuits on same tower line conductor supporting rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |