CN214506525U - Splicing sleeve protection device of carbon fiber composite core wire - Google Patents
Splicing sleeve protection device of carbon fiber composite core wire Download PDFInfo
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- CN214506525U CN214506525U CN202120623375.9U CN202120623375U CN214506525U CN 214506525 U CN214506525 U CN 214506525U CN 202120623375 U CN202120623375 U CN 202120623375U CN 214506525 U CN214506525 U CN 214506525U
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Abstract
The utility model discloses a splicing sleeve protection device of a carbon fiber composite core wire, which belongs to the technical field of splicing sleeves and comprises a conical sheath, a middle bushing and a thread locking sleeve which are arranged outside a carbon fiber core, wherein one end of the conical sheath, which is close to the middle bushing, is provided with a limiting lug; the taper sheath is provided with a variable groove along the side wall slant, the middle part bush is provided with a connecting threaded hole, the middle part bush is rotatably connected inside the thread locking sleeve, the side wall of the thread locking sleeve is provided with a waist-shaped through hole, and the connecting threaded hole is located below the waist-shaped through hole. After the conical sheath is fixed, the tool is inserted into the threaded hole to rotate the middle lining, so that the conical sheath is driven to twist, and the conical sheath is connected with the carbon fiber core more tightly.
Description
Technical Field
The utility model relates to a splicing sleeve technical field especially relates to a splicing sleeve protection device of carbon fiber composite core wire.
Background
The ACCC carbon fiber composite conductor is a novel conductor for overhead transmission lines, has the outstanding characteristics of light weight, stretching resistance, good thermal stability, small sag, strong flow capacity per unit area and corrosion resistance, is particularly suitable for the use environment where a company is located on the coast and in mine areas, has high corrosion strength and high pollution strength, and is easy to wave, can meet the requirements of building resource-saving and environment-friendly power grids, has good application prospect in transmission lines in county-level power grids, is an ideal new product for replacing traditional steel core aluminum hinge conductors, aluminum-clad steel conductors, aluminum alloy conductors and imported invar steel conductors in the power transmission and transformation systems all over the world at present, and needs to be connected by using a connecting fitting when the carbon fiber composite conductor is connected.
The existing splicing fitting generally adopts a conical sleeve to pull a carbon fiber core along an axis, and then the conical sleeve is loosened when the conical sleeve is not tightly attached to the carbon fiber core.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a splicing sleeve protection device of carbon fiber composite core wire is provided provides a torsion force along tangential for carbon fiber core to make the taper sleeve be connected inseparabler with carbon fiber core, difficult appearance is not hard up.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a protective device for a splicing sleeve of a carbon fiber composite core wire, which comprises a conical sheath, a middle bushing and a thread locking sleeve, wherein the conical sheath is arranged outside the carbon fiber core, one end of the conical sheath, which is close to the middle bushing, is provided with a limit lug, the two ends of the middle bushing are provided with limit notches matched with the limit lugs, and the limit lugs are inserted in the limit notches during installation; the taper sheath is provided with a variable groove along the side wall slant, the middle part bush is provided with a connecting threaded hole, the middle part bush is rotatably connected inside the thread locking sleeve, the side wall of the thread locking sleeve is provided with a waist-shaped through hole, and the connecting threaded hole is located below the waist-shaped through hole.
The utility model discloses preferred technical scheme lies in, the equidistance is provided with a plurality of on the middle part bush lateral wall connecting thread hole, connecting thread hole's interval is less than waist type through-hole's length, so that when the middle part bush is rotatory, at least one connecting thread hole is located waist type through-hole below.
The utility model has the preferable technical proposal that the utility model also comprises a first locking sleeve and a second locking sleeve, one end of the first locking sleeve is provided with a reverse thread part, one end of the second locking sleeve is provided with a normal thread part, and the reverse thread part and the normal thread part are respectively in threaded connection with two ends of the locking sleeve; the middle parts of the first locking sleeve and the second locking sleeve are provided with conical through holes, and the conical protective sleeve is positioned in the conical through holes.
The utility model discloses preferred technical scheme lies in, the anti-thread portion with the length of regular thread portion is greater than first locking cover with the biggest screw in distance of second locking cover.
The utility model discloses preferred technical scheme lies in, still includes the cable sheath, the cable sheath cup joints with the cable outside, the external diameter of cable sheath with first locking cover and second locking cover external diameter equal, both sides the cable sheath respectively with first locking cover with the other end of second locking cover offsets.
The utility model discloses preferred technical scheme lies in, still includes the crimping casing, the crimping casing cup joint in first locking cover the second locking cover and the cable sheath is outside.
The utility model has the advantages that:
the technical problem to be solved by the utility model is to provide a splicing sleeve protection device for carbon fiber composite core wires, which comprises a conical sheath, a middle bushing and a thread locking sleeve, wherein the conical sheath is arranged outside the carbon fiber core; the taper sheath is provided with a variable groove along the side wall slant, the middle part bush is provided with a connecting threaded hole, the middle part bush is rotatably connected inside the thread locking sleeve, the side wall of the thread locking sleeve is provided with a waist-shaped through hole, and the connecting threaded hole is located below the waist-shaped through hole. After the conical sheath is fixed, the tool is inserted into the threaded hole to rotate the middle lining, so that the conical sheath is driven to twist, and the conical sheath is connected with the carbon fiber core more tightly.
Drawings
Fig. 1 is a schematic view of an overall structure of a splicing sleeve protection device for a carbon fiber composite core wire according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a thread locking sleeve according to an embodiment of the present invention;
FIG. 3 is a schematic view of a tapered sheath according to an embodiment of the present invention;
in the figure:
1. crimping the shell; 2. a cable jacket; 3. a first locking sleeve; 4. a thread locking sleeve; 5. a middle bushing; 6. a tapered sheath; 7. a second locking sleeve; 31. a counter-threaded portion; 41. a waist-shaped through hole; 51. connecting the threaded hole; 52. a limiting notch; 61. a deformation groove; 62. a limiting bump; 71. a positive thread part.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model provides a splicing sleeve protection device for carbon fiber composite core wire, which comprises a tapered sheath 6, a middle bushing 5 and a thread locking sleeve 4, wherein the tapered sheath 6 is arranged outside the carbon fiber core, one end of the tapered sheath 6 close to the middle bushing 5 is provided with a limiting bump 62, two ends of the middle bushing 5 are provided with a limiting notch 52 matched with the limiting bump 62, and the limiting bump 62 is inserted into the limiting notch 52 during installation; tapered sheath 6 is provided with deformation groove 61 along the lateral wall slant, be provided with connecting thread hole 51 on the middle part bush 5, middle part bush 5 rotate connect in inside the thread locking cover 4, the 4 lateral walls of thread locking cover are provided with waist type through-hole 41, connecting thread hole 51 is located waist type through-hole 41 below. Middle part bush 5 lateral surface and the laminating of 4 inside walls of thread locking cover, install middle part bush 5 when the installation earlier, then insert toper sheath 6 from both ends for spacing lug 62 just cooperates with spacing breach 52, thereby makes toper sheath 6 and middle part bush 5 can rotate in step. Locking taper sheath 6 from both ends earlier, then utilize one end to have the instrument of screw rod to insert in the screw hole for can be along the rotatory middle part bush 5 of waist type through-hole 41 length direction, it twists reverse to drive taper sheath 6 when middle part bush 5 is rotatory, thereby make taper sheath 6 produce deformation along deformation groove 61, thereby taper sheath 6 and carbon fiber core produce along tangential effort, thereby connect inseparabler, make between taper sheath 6 and the carbon fiber core more difficult not hard up. After twisting the tapered sheath 6 is further locked from both ends, making the connection tighter.
Preferably, a plurality of the connection threaded holes 51 are equidistantly formed in the side wall of the middle bushing 5, and the distance between the connection threaded holes 51 is smaller than the length of the waist-shaped through hole 41, so that when the middle bushing 5 rotates, at least one of the connection threaded holes 51 is located below the waist-shaped through hole 41. So that it is possible to realize a large-angle rotation in the kidney-shaped through-hole 41 of a limited length, and when one screw hole is rotated to the bottom end, a further rotation is possible by replacing the next screw hole.
Preferably, the locking device further comprises a first locking sleeve 3 and a second locking sleeve 7, wherein one end of the first locking sleeve 3 is provided with a reverse threaded part 31, one end of the second locking sleeve 7 is provided with a normal threaded part 71, and the reverse threaded part 31 and the normal threaded part 71 are respectively in threaded connection with two ends of the threaded locking sleeve 4; the middle parts of the first locking sleeve 3 and the second locking sleeve 7 are provided with conical through holes, and the conical sheaths 6 are positioned in the conical through holes. The first locking sleeve 3 and the second locking sleeve 7 can lock the tapered sheath 6 well from both ends.
Preferably, the length of the reverse thread part 31 and the positive thread part 71 is larger than the maximum screwing distance of the first locking sleeve 3 and the second locking sleeve 7, so that the locking sleeve can be rotated to the tightest state.
Preferably, the cable protection sleeve comprises a cable protection sleeve 2, the cable protection sleeve 2 is sleeved with the outside of a cable, the outer diameter of the cable protection sleeve 2 is equal to the outer diameters of the first locking sleeve 3 and the second locking sleeve 7, and the cable protection sleeves 2 on two sides are respectively abutted to the other ends of the first locking sleeve 3 and the second locking sleeve 7. Further, the cable sheath further comprises a crimping shell 1, and the crimping shell 1 is sleeved outside the first locking sleeve 3, the second locking sleeve 7 and the cable sheath 2. The waist-shaped through-hole 41 can be shielded from being exposed to the outside after being mounted.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a splicing sleeve protection device of carbon fiber composite core wire which characterized in that:
the carbon fiber core fixing device comprises a conical sheath (6) arranged outside a carbon fiber core, a middle bushing (5) and a thread locking sleeve (4), wherein a limiting lug (62) is arranged at one end, close to the middle bushing (5), of the conical sheath (6), limiting notches (52) matched with the limiting lug (62) are arranged at two ends of the middle bushing (5), and the limiting lug (62) is inserted into the limiting notches (52) during installation;
toper sheath (6) are provided with deformation groove (61) along the lateral wall slant, be provided with connecting screw hole (51) on middle part bush (5), middle part bush (5) rotate connect in inside screw locking cover (4), screw locking cover (4) lateral wall is provided with waist type through-hole (41), connecting screw hole (51) are located waist type through-hole (41) below.
2. The splice protection device for carbon fiber composite core wire of claim 1, wherein:
the side wall of the middle bushing (5) is equidistantly provided with a plurality of connecting threaded holes (51), and the distance between the connecting threaded holes (51) is smaller than the length of the waist-shaped through hole (41), so that when the middle bushing (5) rotates, at least one connecting threaded hole (51) is positioned below the waist-shaped through hole (41).
3. The splice protection device for carbon fiber composite core wire of claim 1, wherein:
the locking device is characterized by further comprising a first locking sleeve (3) and a second locking sleeve (7), wherein a reverse threaded portion (31) is arranged at one end of the first locking sleeve (3), a normal threaded portion (71) is arranged at one end of the second locking sleeve (7), and the reverse threaded portion (31) and the normal threaded portion (71) are in threaded connection with two ends of the threaded locking sleeve (4) respectively; the middle parts of the first locking sleeve (3) and the second locking sleeve (7) are provided with conical through holes, and the conical sheath (6) is positioned in the conical through holes.
4. The splice protection device for carbon fiber composite core wire of claim 3, wherein:
the length of the reverse thread part (31) and the length of the positive thread part (71) are larger than the maximum screwing-in distance of the first locking sleeve (3) and the second locking sleeve (7).
5. The splice protection device for carbon fiber composite core wire of claim 3, wherein:
still include cable sheath (2), cable sheath (2) cup joint with the cable outside, the external diameter of cable sheath (2) with first locking cover (3) and second locking cover (7) external diameter homogeneous phase equals, both sides cable sheath (2) respectively with first locking cover (3) with the other end of second locking cover (7) offsets.
6. The splice protection device for carbon fiber composite core wire of claim 5, wherein:
the cable sheath is characterized by further comprising a crimping shell (1), wherein the crimping shell (1) is sleeved outside the first locking sleeve (3), the second locking sleeve (7) and the cable sheath (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623375.9U CN214506525U (en) | 2021-03-26 | 2021-03-26 | Splicing sleeve protection device of carbon fiber composite core wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623375.9U CN214506525U (en) | 2021-03-26 | 2021-03-26 | Splicing sleeve protection device of carbon fiber composite core wire |
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| Publication Number | Publication Date |
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| CN214506525U true CN214506525U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120623375.9U Active CN214506525U (en) | 2021-03-26 | 2021-03-26 | Splicing sleeve protection device of carbon fiber composite core wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505471A (en) * | 2023-04-26 | 2023-07-28 | 广东鑫源恒业电力线路器材有限公司 | Splicing sleeve of carbon fiber composite core wire and preparation method thereof |
-
2021
- 2021-03-26 CN CN202120623375.9U patent/CN214506525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505471A (en) * | 2023-04-26 | 2023-07-28 | 广东鑫源恒业电力线路器材有限公司 | Splicing sleeve of carbon fiber composite core wire and preparation method thereof |
| CN116505471B (en) * | 2023-04-26 | 2023-09-22 | 广东鑫源恒业电力线路器材有限公司 | Splicing sleeve of carbon fiber composite core wire and preparation method thereof |
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