CN209767111U - safety backup wire clamp for carbon fiber wire - Google Patents
safety backup wire clamp for carbon fiber wire Download PDFInfo
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- CN209767111U CN209767111U CN201920801006.7U CN201920801006U CN209767111U CN 209767111 U CN209767111 U CN 209767111U CN 201920801006 U CN201920801006 U CN 201920801006U CN 209767111 U CN209767111 U CN 209767111U
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- carbon fiber
- fiber wire
- reinforcement strip
- strain clamp
- wire reinforcement
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Abstract
the utility model discloses a carbon fiber wire is with safe backup fastener, including U type link, the extension pull rod, the heart ring, preformed helical strain clamp, carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread, wherein U type link one end is connected with strain insulator DB adjusting plate, the extension pull rod is connected to the other end, the heart ring front end is connected to the extension pull rod other end, preformed helical strain clamp is connected to heart ring rear end, carbon fiber wire reinforcement strip internal thread is connected to the preformed helical strain clamp other end, carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread winding are on carbon fiber wire, and carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread are continuous interval setting. The utility model relates to a safe backup fastener that is used for carbon fiber transmission line strain clamp to prevent broken string has realized the reinforcement backup to carbon fiber conductor strain clamp, has guaranteed no dangerous point in strain clamp exit 20 m.
Description
Technical Field
The utility model relates to an exchange, direct current transmission line engineering technical field, in particular to carbon fiber wire is with safe backup fastener, is exclusively used in carbon fiber wire circuit "three strides" section strain clamp promptly and prevents the safe backup fastener of broken string.
Background
In 2016, the national grid released "overhead transmission line" three-span "major anti-accident measures (trial); in 2017, the southern power grid issues 'special anti-accident measures for cross-over of power transmission and distribution lines of the southern power grid'. All put forward the requirement of preventing the broken wire to the important "three span" circuit. "three spans" refers to overhead transmission line sections that span highways, and important transmission channels. If the wire is broken, serious accidents will be caused.
firstly, when a lead is erected, a compression strain clamp is needed at the joint of the lead and a tower, and the traditional compression strain clamp is easily influenced by the proficiency of workers and the construction process, so that the lead is damaged or not pressed firmly, particularly for a carbon fiber lead, the bending resistance and the shearing resistance are poor, and the outer layer is easily broken or is easily damaged in an invisible manner;
Secondly, the overhead line has large self tension and is influenced by breeze vibration for a long time, so that fatigue strand breaking and even breakage accidents are easy to happen at a strain outlet;
And thirdly, the safety factor needs to be enhanced when the high-voltage transmission line crosses important facilities (an electric railway, an expressway and a navigation river).
If above 3 kinds of circumstances if take place, will lead to the fact great this emergence calamity, for eliminating hidden danger, guarantee still can strain the wire (satisfy working tension) when the occurence of failure and switch on the water conservancy diversion, win the time for salvageing. A novel safety backup device is urgently needed to be additionally installed on the problem points, the mechanical performance of the strain clamp is shared, and the safety factor of the whole system is increased. In case strain clamp became invalid, thereby this device can play and prevent that the wire from dropping and arousing more major accident, wins the valuable time for salvageing. Meanwhile, the method has the characteristics that the operator can complete the transformation work by bare hands without any mechanical equipment and only power off in a short time, and the method is very simple and easy to implement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe backup fastener of being exclusively used in carbon fiber wire circuit "three span" section strain clamp disconnection of preventing.
For the above-mentioned purpose, the utility model provides a carbon fiber conductor is with safe backup fastener, including U type link, the extension pull rod, the heart ring, preformed helical strain clamp, carbon fiber conductor reinforcement strip internal thread and carbon fiber conductor reinforcement strip external thread, wherein U type link one end is connected with strain insulator-string DB adjusting plate, the extension pull rod is connected to the other end, the heart ring front end is connected to the extension pull rod other end, preformed helical strain clamp is connected to heart ring rear end, carbon fiber conductor reinforcement strip internal thread is connected to the preformed helical strain clamp other end, carbon fiber conductor reinforcement strip internal thread and carbon fiber conductor reinforcement strip external thread winding are on carbon fiber conductor, and carbon fiber conductor reinforcement strip internal thread and the continuous interval setting of carbon fiber conductor reinforcement strip external thread. The utility model discloses a safe backup fastener for carbon fiber wire for a safe backup fastener that is used for carbon fiber transmission line strain clamp to prevent the broken string, realized the reinforcement backup to carbon fiber wire strain clamp, guaranteed that strain clamp exit does not have dangerous point in 20 m.
The pre-twisted type strain clamp is a pre-twisted wire with the middle part twisted and the two end parts pre-twisted, the middle part is folded to form a twisted ring, the twisted ring penetrates through the rear end of the heart-shaped ring and is connected with the heart-shaped ring, and the pre-twisted sections at the two end parts of the pre-twisted type strain clamp are wound on the outer side of the inner wire of the carbon fiber wire reinforcing strip.
Preferably, the inner threads of the carbon fiber wire reinforcing strips are wound on the carbon fiber wires, one group is wound at intervals of 15cm, 3 groups are wound, the outer threads of the carbon fiber wire reinforcing strips are wound between the inner threads of the two groups of carbon fiber wire reinforcing strips, 2 groups are wound, and the winding thickness of the outer threads of the carbon fiber wire reinforcing strips is larger than that of the inner threads of the carbon fiber wire reinforcing strips; spraying conductive yarn on the outer side of the inner wire of the carbon fiber wire reinforcing strip; paint color marks are arranged on the preformed strain clamp and the inner wire of the carbon fiber wire reinforcing strip, and the preformed strain clamp and the inner wire of the carbon fiber wire reinforcing strip are marked to be twisted together from the paint color marks; the front end of the heart-shaped ring is provided with a groove, the plates on the two sides of the groove are provided with holes, the heart-shaped ring is connected with the extension pull rod by penetrating through the holes by bolts, and the middle part of the pre-twisted strain clamp bypasses the groove and is connected with the heart-shaped ring.
The U-shaped hanging ring is mainly used for connecting the safe backup wire clamp with the strain insulator DB adjusting plate, the strain insulator wire clamp which is originally connected with the wire is also connected with the strain insulator DB adjusting plate through the U-shaped hanging ring, the two sets of U-shaped hanging rings penetrate through the strain insulator DB adjusting plate, and the ring-ring connection provides enough flexibility and prevents the backup wire clamp from being blocked during installation. The extension pull rod provides enough connection length to avoid the safety backup wire clamp installation position from interfering with the carbon fiber wire strain clamp. The carbon core of the carbon fiber wire has high tensile strength but poor bending resistance, and the specially-made extension pull rod can ensure that the installation position of the safe backup wire clamp has enough distance with the outlet of the carbon fiber wire strain clamp, so that the damage of the carbon core of the wire caused by too close distance and stress concentration is prevented. The carbon fiber wire reinforcing strip internal thread and the carbon fiber wire reinforcing strip external thread are reinforced at the outlet of the strain clamp, so that the safety coefficient of the whole system is increased, and no danger point is in the 20m outlet of the strain clamp.
The utility model discloses a carbon fiber wire is with safe backup fastener to a whole set of safe backup fastener is constituteed to six parts, the requirement to carbon fiber wire strain clamp safe backup has been realized, the fastener is outer with the even winding of certain length to the wire, stress evenly distributed that receives the wire is on a regional big many than the atress region of other forms strain clamp, make the wire stress-free concentration point, guarantee the life of wire, adopt the better raw and other materials of corrosion resistance simultaneously, avoid electrochemical corrosion, satisfy mechanical properties's requirement. During installation, large-scale equipment is not needed, and installation personnel can wind the steel wire rope by hands, so that the construction time and the cost are saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the U-shaped suspension loop of the present invention;
FIG. 3 is a front view of the extension rod of the present invention;
FIG. 4 is a top view of the extension rod of the present invention;
FIG. 5 is a front view of the heart ring of the present invention;
Fig. 6 is a left side view of the heart ring of the present invention;
Fig. 7 is a schematic structural view of the pre-twisted strain clamp of the present invention;
Fig. 8 is a schematic structural view of the inner wire of the carbon fiber wire reinforcing strip of the present invention;
FIG. 9 is an enlarged view of the wire portion of the present invention;
the cable comprises a cable body, a cable core, a cable clamp, a cable.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in the figure, the utility model discloses a carbon fiber wire is with safe backup fastener, including U type link 1, extension pull rod 2, heart ring 3, preformed helical strain clamp 4, carbon fiber wire reinforcement strip internal thread 5 and carbon fiber wire reinforcement strip external thread 6, wherein 1 one end of U type link is connected with strain insulator DB adjusting plate, extension pull rod 2 is connected to the other end, 2 other ends of extension pull rod connect heart ring 3 front ends, preformed helical strain clamp 4 is connected to heart ring 3 rear end, carbon fiber wire reinforcement strip internal thread 5 is connected to the 4 other ends of preformed helical strain clamp, carbon fiber wire reinforcement strip internal thread 5 and the 6 windings of carbon fiber wire reinforcement strip external thread are on the carbon fiber wire, and carbon fiber wire reinforcement strip internal thread 5 and the 6 continuous interval settings of carbon fiber wire reinforcement strip external thread.
The pre-twisted strain clamp 4 is a pre-twisted wire with the middle part twisted and the two end parts pre-twisted, the middle part is folded to form a twisted ring, the twisted ring penetrates through the rear end of the heart-shaped ring 3 and is connected with the heart-shaped ring 3, and pre-twisted sections at the two end parts of the pre-twisted strain clamp 4 are wound on the outer side of the inner wire 4 of the carbon fiber wire reinforcing strip.
Preferably, the carbon fiber wire reinforcing strip inner wires 5 are wound on the carbon fiber wires, one group is wound at intervals of 15cm, 3 groups are wound, the carbon fiber wire reinforcing strip outer wires 6 are wound between the two groups of carbon fiber wire reinforcing strip inner wires 5, 2 groups are wound, and the winding thickness of the carbon fiber wire reinforcing strip outer wires 6 is larger than that of the carbon fiber wire reinforcing strip inner wires 5; spraying conductive yarn on the outer side of the inner wire 5 of the carbon fiber wire reinforcing strip; paint color marks are arranged on the pre-twisted strain clamp 4 and the inner wire 5 of the carbon fiber wire reinforcing strip, and the pre-twisted strain clamp 4 and the inner wire 5 of the carbon fiber wire reinforcing strip are twisted together from the paint color marks; the front end of the heart-shaped ring 3 is provided with a groove, the plates at the two sides of the groove are provided with holes, the heart-shaped ring 3 is connected with the extension pull rod 2 by passing bolts through the holes, and the middle part of the pre-twisted strain clamp 4 bypasses the groove to be connected with the heart-shaped ring 3.
the U-shaped hanging ring is mainly used for connecting the safe backup wire clamp with the strain insulator DB adjusting plate, the strain insulator wire clamp which is originally connected with the wire is also connected with the strain insulator DB adjusting plate through the U-shaped hanging ring, the two sets of U-shaped hanging rings penetrate through the strain insulator DB adjusting plate, and the ring-ring connection provides enough flexibility and prevents the backup wire clamp from being blocked during installation. The extension pull rod provides enough connection length to avoid the safety backup wire clamp installation position from interfering with the carbon fiber wire strain clamp. The carbon core of the carbon fiber wire has high tensile strength but poor bending resistance, and the specially-made extension pull rod can ensure that the installation position of the safe backup wire clamp has enough distance with the outlet of the carbon fiber wire strain clamp, so that the damage of the carbon core of the wire caused by too close distance and stress concentration is prevented. The carbon fiber wire reinforcing strip internal thread and the carbon fiber wire reinforcing strip external thread are reinforced at the outlet of the strain clamp, so that the safety coefficient of the whole system is increased, and no danger point is in the 20m outlet of the strain clamp.
The utility model is used for in carbon fiber wire transmission line strain insulator cluster, extension pull rod 2 is used for the hookup between U type link 1 and heart ring 3 to provide enough hookup length and avoid safe backup fastener mounted position to interfere with carbon fiber wire strain clamp. The carbon core of the carbon fiber wire has high tensile strength but poor bending resistance, and the specially-made extension pull rod can ensure that the installation position of the safe backup wire clamp has enough distance with the outlet of the carbon fiber wire strain clamp, so that the damage of the carbon core of the wire caused by too close distance and stress concentration is prevented. The heart-shaped ring 3 is used for installing a special preformed tension-resistant wire clamp. The special pre-twisted strain clamp is arranged on the inner wire of the special carbon fiber wire reinforcing strip to provide mechanical tension.
The inner filaments of the special carbon fiber wire reinforcing strips are wound on the carbon fiber wires, and 3 groups of the reinforcing strips are wound at intervals of 15 cm. The outer filaments of the special carbon fiber wire reinforcing strips are wound between the inner filaments of the two groups of special carbon fiber wire reinforcing strips, and the number of the groups is 2. The inner wire of the special carbon fiber wire reinforcing strip is reinforced at the outlet of the strain clamp after the outer wire of the special carbon fiber wire reinforcing strip is installed, so that the safety coefficient of the whole system is increased, and no danger point is in the outlet of the strain clamp within 20 m.
The utility model discloses a safe backup fastener for carbon fiber wire for a safe backup fastener that is used for carbon fiber transmission line strain clamp to prevent the broken string, realized the reinforcement backup to carbon fiber wire strain clamp, guaranteed that strain clamp exit does not have dangerous point in 20 m.
The utility model discloses a carbon fiber wire is with safe backup fastener to a whole set of safe backup fastener is constituteed to six parts, the requirement to carbon fiber wire strain clamp safe backup has been realized, the fastener is outer with the even winding of certain length to the wire, stress evenly distributed that receives the wire is on a regional big many than the atress region of other forms strain clamp, make the wire stress-free concentration point, guarantee the life of wire, adopt the better raw and other materials of corrosion resistance simultaneously, avoid electrochemical corrosion, satisfy mechanical properties's requirement. During installation, large-scale equipment is not needed, and installation personnel can wind the steel wire rope by hands, so that the construction time and the cost are saved.
Claims (6)
1. Carbon fiber wire is with safe backup fastener, its characterized in that: including U type link, the extension pull rod, the heart-shaped ring, preformed helical strain clamp, carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread, wherein U type link one end is connected with strain insulator-string DB adjusting plate, the extension pull rod is connected to the other end, heart-shaped ring front end is connected to the extension pull rod other end, preformed helical strain clamp is connected to heart-shaped ring rear end, carbon fiber wire reinforcement strip internal thread is connected to the preformed helical strain clamp other end, carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread winding are on the carbon fiber wire, and carbon fiber wire reinforcement strip internal thread and carbon fiber wire reinforcement strip external thread are continuous interval setting.
2. The safety backup clip for carbon fiber wire as claimed in claim 1, wherein: the pre-twisted strain clamp is a pre-twisted wire with the middle part twisted and the two end parts pre-twisted, the middle part is folded to form a twisted ring, the twisted ring penetrates through the rear end of the heart-shaped ring and is connected with the heart-shaped ring, and the pre-twisted sections at the two end parts of the pre-twisted strain clamp are wound on the outer side of the inner wire of the carbon fiber wire reinforcing strip.
3. The safety backup clip for carbon fiber wire as claimed in claim 2, wherein: the silk twines on the carbon fiber wire in the carbon fiber wire reinforcement strip, and every interval 15cm twines a set of, twines 3 groups altogether, and the outer silk of carbon fiber wire reinforcement strip twines in the middle of the silk in two sets of carbon fiber wire reinforcement strips, totally 2 groups to the outer silk winding thickness of carbon fiber wire reinforcement strip is greater than the inner silk winding thickness of carbon fiber wire reinforcement strip.
4. A safety backup clip for carbon fiber conductor as claimed in claim 1, 2 or 3, wherein: and spraying conductive yarn on the outer side of the inner wire of the carbon fiber wire reinforcing strip.
5. The safety backup clip for carbon fiber wire as claimed in claim 4, wherein: all set up the paint color mark on the silk in preformed helical strain clamp and carbon fiber wire reinforcement strip, mark preformed helical strain clamp and carbon fiber wire reinforcement strip silk and begin the transposition from paint color mark department and be in the same place.
6. The safety backup clip for carbon fiber wire as claimed in claim 5, wherein: the front end of the heart-shaped ring is provided with a groove, the plates on the two sides of the groove are provided with holes, the heart-shaped ring is connected with the extension pull rod by penetrating through the holes by bolts, and the middle part of the pre-twisted strain clamp bypasses the groove and is connected with the heart-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801006.7U CN209767111U (en) | 2019-05-30 | 2019-05-30 | safety backup wire clamp for carbon fiber wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801006.7U CN209767111U (en) | 2019-05-30 | 2019-05-30 | safety backup wire clamp for carbon fiber wire |
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| Publication Number | Publication Date |
|---|---|
| CN209767111U true CN209767111U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920801006.7U Active CN209767111U (en) | 2019-05-30 | 2019-05-30 | safety backup wire clamp for carbon fiber wire |
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| Country | Link |
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| CN (1) | CN209767111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034529A (en) * | 2019-05-30 | 2019-07-19 | 中国能源建设集团南京线路器材有限公司 | Carbon-fibre wire carrying out safety backup wire clamp |
-
2019
- 2019-05-30 CN CN201920801006.7U patent/CN209767111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034529A (en) * | 2019-05-30 | 2019-07-19 | 中国能源建设集团南京线路器材有限公司 | Carbon-fibre wire carrying out safety backup wire clamp |
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