CN108183365B - Special connector for carbon fiber wire paying-off traction plate for power transmission line construction - Google Patents
Special connector for carbon fiber wire paying-off traction plate for power transmission line construction Download PDFInfo
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- CN108183365B CN108183365B CN201711315187.4A CN201711315187A CN108183365B CN 108183365 B CN108183365 B CN 108183365B CN 201711315187 A CN201711315187 A CN 201711315187A CN 108183365 B CN108183365 B CN 108183365B
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- Prior art keywords
- carbon fiber
- shell
- wire
- rear end
- traction plate
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 75
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 75
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 241000270295 Serpentes Species 0.000 claims description 2
- 239000010985 leather Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 3
- 238000003475 lamination Methods 0.000 claims 3
- 239000004593 Epoxy Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Processing Of Terminals (AREA)
Abstract
The invention relates to a connector special for a carbon fiber wire paying-off traction plate in power transmission line construction, which comprises a front end outer shell, a rear end outer shell, a semicircular splicing type inner shell, an insertion pin and an anti-falling hook, wherein the front end outer shell and the rear end outer shell are oppositely buckled to form a hollow shell structure, a through hole which is transversely and coaxially arranged is formed in the middle of the rear end outer shell, and a carbon fiber wire penetrates between the front end outer shell and the rear end outer shell through the through hole; a semicircular splicing type inner shell is coaxially sleeved on the carbon fiber wire in the outer shell at the rear end and is fixedly locked between the inner soft aluminum layer and the outer soft aluminum layer; the middle part of the front end shell is provided with an inserting pin which is horizontally and transversely arranged, the inserting pin is of a conical structure, the conical head of the inserting pin is inserted into the carbon fiber composite core at the center of the carbon fiber lead, and the front end of the inserting pin penetrates out of the front end shell and is fixedly connected with an anti-falling hook. The invention saves time and labor, and can improve the safety and the paying-off quality in the paying-off process of the novel carbon fiber lead.
Description
Technical Field
The invention relates to the field of high-voltage power transmission line construction, in particular to a special connector for a carbon fiber wire paying-off traction plate for power transmission line construction.
Background
In the construction of overhead transmission lines, carbon fiber wires are already applied to newly-built lines and capacity-increasing modified lines, the carbon fiber wires are energy-saving capacity-increasing wires, a reinforcing core of the carbon fiber wires is a core rod synthesized by ultra-high-strength carbon fibers, the whole body of the core rod is smooth and cylindrical, and the friction coefficient of a glass fiber epoxy resin skin and an aluminum stranded wire outside the core rod synthesized by the carbon fibers is far smaller than that of a wire formed by combining a traditional steel core and an aluminum stranded wire. The carbon fiber wire defense line is basically the same as the tension paying-off construction of a common (conventional) line, the hauling rope still uses a woven anti-twisting steel wire rope, namely a net sleeve connector, and when the wire and a rotary connector are connected by the net sleeve connector, the phenomenon that a core rod synthesized by carbon fibers is separated from an aluminum stranded wire frequently occurs, which is caused by the fact that the friction coefficient of the core rod synthesized by the carbon fibers and the aluminum stranded wire is too small, paying-off construction operation belongs to an important ring in a power transmission line, and is related to the safety construction and engineering quality of the power transmission line and the long-term safety operation of a power grid.
At present, a method of combining an elongated net sleeve and a special carbon fiber fixture is adopted for solving the problem in construction, the length of the net sleeve is more than 2.5 meters, temporary measures such as simple hydraulic pressure compression of a carbon fiber lead head are adopted, the operation is not standard, and the effect is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the special connector for the carbon fiber wire paying-off traction plate for the power transmission line construction, which is firm and reliable in installation, simple and convenient to operate and reliable in use.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a transmission line construction carbon fiber wire unwrapping wire traction plate special connector which characterized in that: comprises a front-end outer shell, a rear-end outer shell, a semicircular spliced inner shell, an inserting pin and an anti-falling hook, wherein the front-end outer shell and the rear-end outer shell are oppositely buckled to form a hollow shell structure,
the middle part of the rear end shell is provided with a through hole which is transversely and coaxially arranged, and a carbon fiber lead penetrates between the front end shell and the rear end shell through the through hole; a semicircular splicing type inner shell is coaxially sleeved on the carbon fiber wire in the outer shell at the rear end and is fixedly locked between the inner soft aluminum layer and the outer soft aluminum layer;
the middle part of the front end shell is provided with an inserting pin which is horizontally and transversely arranged, the inserting pin is of a conical structure, the conical head of the inserting pin is inserted into the carbon fiber composite core at the center of the carbon fiber lead, and the front end of the inserting pin penetrates out of the front end shell and is fixedly connected with an anti-falling hook.
And the cross-sectional structure of the carbon fiber lead sequentially comprises a carbon fiber composite core, an epoxy resin skin, an inner soft aluminum layer and an outer soft aluminum layer from an inner layer to an outer layer, and a snake leather sheath is sleeved on the periphery of the outer soft aluminum layer at intervals in the axial direction.
And, the anti-drop couple is used for connecting the traction plate, and the main part of traction plate is a triangle plate structure, and the front end middle part of traction plate passes through rotary connector and connects the haulage rope, and the rear end middle part of traction plate is hung and is equipped with a counter weight, installs four carbon fiber wires that install this special connector at the symmetrical interval in the traction plate rear end of counter weight both sides.
Also, the insert pin is replaced with a self-tapping screw.
And, the outer screw rod is installed at the periphery interval of front end shell and rear end shell, and the interior screw rod is installed to semicircle concatenation formula inner shell.
The method for mounting the connector comprises the following steps:
sleeving the end part of the carbon fiber wire subjected to cutting treatment into a rear end shell, clamping the inner layer of the soft aluminum part by using a semicircular splicing type connector, and fixing the soft aluminum layer in the wire;
screwing an inner screw and a nut on the semicircular spliced inner shell, and firmly fixing the carbon fiber composite core and the epoxy resin skin;
separating the outer soft aluminum layer from the carbon fiber composite core and the epoxy resin skin, cutting along the center lines of the carbon fiber composite core and the epoxy resin skin by a cutter, wherein the length of the cut does not exceed the horizontal length of the insert pin,
when the inserting pin is inserted into the carbon fiber composite core, the front end shell is folded, the outer bolt rod and the nut are screwed, the inserting pin is further inserted into the carbon fiber composite core, and the outer layer of the soft aluminum layer of the lead is clamped between the semicircular splicing type connector and the rear end shell;
after the soft aluminum layer, the carbon fiber composite core and the epoxy resin skin of the wire are fixed, the wire can not be separated under the combined action of the inserting pin and the semicircular splicing type connector in the process of paying off and being pulled, and meanwhile, the soft aluminum layer of the wire is clamped and can not be separated, so that the connection in the process of pulling the wire is completed.
The invention has the advantages and positive effects that:
the carbon fiber wire connector is simple to assemble, operate and disassemble, saves time and labor, replaces a carbon fiber wire clamp, a rotary connector and a net cover connector as special connectors, can improve the safety and the paying-off quality in the novel carbon fiber wire paying-off process, has the effects of low manufacturing cost, economy, attractiveness and practicability, and is suitable for popularization.
Drawings
FIG. 1 is a schematic view of a half-section structure of the present invention;
FIG. 2 is a cross-sectional structure of a carbon fiber wire;
FIG. 3 is a schematic view of the present invention in use.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A connector special for a carbon fiber wire paying-off traction plate for power transmission line construction comprises a front end outer shell 2, a rear end outer shell 5, a semicircular splicing type inner shell 4, an inserting pin 3 and an anti-falling hook 1, wherein for the convenience of clear description, the embodiment is described in the direction shown in the attached drawing 1, the front end outer shell and the rear end outer shell are oppositely buckled to form a hollow shell structure, and a plurality of outer rods 12 are uniformly distributed on the peripheries of the front end outer shell and the rear end outer shell at intervals in an annular mode and are fixedly installed;
the middle part of the rear end shell is provided with a through hole which is transversely and coaxially arranged, and a carbon fiber lead penetrates between the front end shell and the rear end shell through the through hole; the cross-sectional structure of the carbon fiber lead is shown in figure 2, and the carbon fiber composite core 6, the epoxy resin skin 7, the inner soft aluminum layer 8 and the outer soft aluminum layer 9 are sequentially arranged from the inner layer to the outer layer. The periphery of the outer soft aluminum layer is axially sleeved with the snakeskin sleeve 10 at intervals to protect the carbon fiber lead.
A semicircular splicing type inner shell 4 is coaxially sleeved on the carbon fiber wire in the rear end outer shell, and is locked and fixed between the inner soft aluminum layer and the outer soft aluminum layer through an inner screw rod 11, so that the carbon fiber wire is prevented from falling off the rear end outer shell;
the middle part of the front end shell is provided with an inserting pin 3 which is horizontally arranged, the inserting pin is of a conical structure, the conical head of the inserting pin is inserted into the carbon fiber composite core at the center of the carbon fiber lead, the front end of the inserting pin penetrates out of the front end shell and is fixedly connected with an anti-falling hook 1, and the anti-falling hook is used for connecting a traction plate 15. The insert pin may also be replaced by a self-tapping screw.
Referring to fig. 3, the main body of the traction plate 15 is a triangular plate structure, the middle part of the front end of the traction plate is connected with a traction rope 13 through a rotary connector 14, a balance weight 16 is hung in the middle part of the rear end of the traction plate, and four carbon fiber wires provided with the special connector are symmetrically arranged at intervals at the rear end of the traction plate on two sides of the balance weight.
The installation method of the connector comprises the following steps:
sleeving the end part of the carbon fiber wire subjected to cutting treatment into a rear end shell, clamping the inner layer of the soft aluminum part by using a semicircular splicing type connector, and fixing the soft aluminum layer in the wire;
screwing an inner screw and a nut on the semicircular spliced inner shell to ensure that the carbon fiber composite core and the epoxy resin skin are firmly fixed;
separating the outer soft aluminum layer from the carbon fiber composite core and the epoxy resin skin, cutting along the center lines of the carbon fiber composite core and the epoxy resin skin by a cutter, wherein the length of the cut does not exceed the horizontal length of the insert pin,
when the inserting pin is inserted into the carbon fiber composite core, the front end shell is closed, the outer bolt rod and the nut are screwed, the inserting pin is further inserted into the carbon fiber composite core, and the outer layer of the soft aluminum layer of the lead is clamped between the semicircular splicing type connector and the rear end shell to play a role in fixing the soft aluminum layer of the lead;
after the soft aluminum layer, the carbon fiber composite core and the epoxy resin skin of the wire are fixed, the wire can not be separated under the combined action of the inserting pin and the semicircular splicing type connector in the process of paying off and being pulled, and meanwhile, the soft aluminum layer of the wire can not be separated by being clamped, so that the connection effect when the wire is pulled is achieved.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. The utility model provides a transmission line construction carbon fiber wire unwrapping wire traction plate dedicated connection ware, the cross-sectional structure of carbon fiber wire is carbon fiber composite core, epoxy skin, interior soft aluminium lamination and outer soft aluminium lamination in proper order by the inlayer to the skin, and the periphery axial interval suit of outer soft aluminium lamination has snake leather sheath, its characterized in that: comprises a front-end outer shell, a rear-end outer shell, a semicircular spliced inner shell, an inserting pin and an anti-falling hook, wherein the front-end outer shell and the rear-end outer shell are oppositely buckled to form a hollow shell structure,
the middle part of the rear end shell is provided with a through hole which is transversely and coaxially arranged, and a carbon fiber lead penetrates between the front end shell and the rear end shell through the through hole; a semicircular splicing type inner shell is coaxially sleeved on the carbon fiber wire in the outer shell at the rear end and is fixedly locked between the inner soft aluminum layer and the outer soft aluminum layer;
the middle part of the front end shell is provided with an inserting pin which is horizontally and transversely arranged, the inserting pin is of a conical structure, the conical head of the inserting pin is inserted into the carbon fiber composite core at the center of the carbon fiber lead, and the front end of the inserting pin penetrates out of the front end shell and is fixedly connected with an anti-falling hook.
2. The special connector for the carbon fiber wire pay-off traction plate for power transmission line construction according to claim 1, is characterized in that: the anti-drop couple is used for connecting the traction plate, and the main part of traction plate is a triangle plate structure, and the front end middle part of traction plate passes through rotary connector and connects the haulage rope, and the rear end middle part of traction plate is hung and is equipped with a counter weight, installs four carbon fiber wire who installs this special connector at the symmetrical interval in the traction plate rear end of counter weight both sides.
3. The special connector for the carbon fiber wire pay-off traction plate for power transmission line construction according to claim 1, is characterized in that: the insert pin is replaced with a self-tapping screw.
4. The special connector for the carbon fiber wire pay-off traction plate for power transmission line construction according to claim 1, is characterized in that: outer screw rods are installed at the periphery of the front end outer shell and the periphery of the rear end outer shell at intervals, and inner screw rods are installed on the semicircular splicing type inner shell.
5. The mounting method of the special connector for the carbon fiber wire paying-off traction plate for power transmission line construction is characterized by comprising the following steps of:
sleeving the end part of the carbon fiber wire subjected to cutting treatment into a rear end shell, clamping the inner layer of the soft aluminum part by using a semicircular splicing type connector, and fixing the soft aluminum layer in the wire;
screwing an inner screw and a nut on the semicircular spliced inner shell, and firmly fixing the carbon fiber composite core and the epoxy resin skin;
separating the outer soft aluminum layer from the carbon fiber composite core and the epoxy resin skin, cutting along the center lines of the carbon fiber composite core and the epoxy resin skin by a cutter, wherein the length of the cut does not exceed the horizontal length of the insert pin,
when the inserting pin is inserted into the carbon fiber composite core, the front end shell is folded, the outer bolt rod and the nut are screwed, the inserting pin is further inserted into the carbon fiber composite core, and the outer layer of the soft aluminum layer of the lead is clamped between the semicircular splicing type connector and the rear end shell;
after the soft aluminum layer, the carbon fiber composite core and the epoxy resin skin of the wire are fixed, the wire can not be separated under the combined action of the inserting pin and the semicircular splicing type connector in the process of paying off and being pulled, and meanwhile, the soft aluminum layer of the wire is clamped and can not be separated, so that the connection in the process of pulling the wire is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315187.4A CN108183365B (en) | 2017-12-12 | 2017-12-12 | Special connector for carbon fiber wire paying-off traction plate for power transmission line construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315187.4A CN108183365B (en) | 2017-12-12 | 2017-12-12 | Special connector for carbon fiber wire paying-off traction plate for power transmission line construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183365A CN108183365A (en) | 2018-06-19 |
| CN108183365B true CN108183365B (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315187.4A Active CN108183365B (en) | 2017-12-12 | 2017-12-12 | Special connector for carbon fiber wire paying-off traction plate for power transmission line construction |
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| Country | Link |
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| CN (1) | CN108183365B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834435A (en) * | 2017-11-03 | 2018-03-23 | 中国水利水电第四工程局有限公司 | Self-balancing unfolding conductor limp |
| CN114122797B (en) * | 2021-10-13 | 2022-08-12 | 大连理工大学 | Connector device for gradient distributed clamping experiment test of multilayer lead structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202513523U (en) * | 2012-04-22 | 2012-10-31 | 河南科信电缆有限公司 | Novel carbon fiber photoelectric lead clamp |
| CN105075017A (en) * | 2013-02-20 | 2015-11-18 | Afl电信公司 | Compression formed connector for carbon-fiber composite core conductor assembly used in transmission line installations and method of constructing the same |
| CN106207705A (en) * | 2016-07-21 | 2016-12-07 | 国网河南省电力公司周口供电公司 | A kind of carbon fiber composite core wire draught line clamps connection device and using method thereof |
| CN205846658U (en) * | 2016-07-11 | 2016-12-28 | 重庆水利电力职业技术学院 | A kind of fixture connected for power transmission line |
-
2017
- 2017-12-12 CN CN201711315187.4A patent/CN108183365B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202513523U (en) * | 2012-04-22 | 2012-10-31 | 河南科信电缆有限公司 | Novel carbon fiber photoelectric lead clamp |
| CN105075017A (en) * | 2013-02-20 | 2015-11-18 | Afl电信公司 | Compression formed connector for carbon-fiber composite core conductor assembly used in transmission line installations and method of constructing the same |
| CN205846658U (en) * | 2016-07-11 | 2016-12-28 | 重庆水利电力职业技术学院 | A kind of fixture connected for power transmission line |
| CN106207705A (en) * | 2016-07-21 | 2016-12-07 | 国网河南省电力公司周口供电公司 | A kind of carbon fiber composite core wire draught line clamps connection device and using method thereof |
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| Publication number | Publication date |
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| CN108183365A (en) | 2018-06-19 |
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