CN116780446B - Electric power connecting fitting - Google Patents
Electric power connecting fitting Download PDFInfo
- Publication number
- CN116780446B CN116780446B CN202310730242.5A CN202310730242A CN116780446B CN 116780446 B CN116780446 B CN 116780446B CN 202310730242 A CN202310730242 A CN 202310730242A CN 116780446 B CN116780446 B CN 116780446B
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- section
- chute
- connection fitting
- power connection
- threaded
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Links
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- Installation Of Indoor Wiring (AREA)
Abstract
The application relates to an electric power connection fitting, include: the body base comprises a sliding groove and two connecting clamping jaws, wherein the sliding groove extends along a first direction and penetrates through the connecting clamping jaws, and the connecting clamping jaws extend along a second direction; the first direction is perpendicular to the second direction; the threaded rod is rotatably arranged in the chute and comprises a first threaded section and a second threaded section, and the threads of the first threaded section and the second threaded section are opposite in rotation direction; at least four first connecting parts hinged with the body base; at least two first connecting parts are buckled with the same connecting clamping jaw and are positioned at two ends of the chute along the second direction; and the at least two second connecting parts are respectively in threaded connection with the first threaded section and the second threaded section and slide in the sliding groove. The power connection fitting disclosed by the application can improve the suitability of cables with different types and improve the reliability of connection.
Description
Technical Field
The application relates to the technical field of electric power fittings, in particular to an electric power connecting fitting.
Background
In power transmission, two cables are typically connected by a connecting fitting. In order to ensure the reliability of connection, fixed connection is generally adopted, so that the fitting is poor in adaptability to cables of different types. In order to improve the adaptability of the connecting fitting to cables of different types, movable connection is generally adopted, and because of the self weight of the cables, the cables can be subjected to larger tensile force, and the risk of disconnection of the connecting fitting and the cables exists. Therefore, it is difficult to achieve both universality and reliability in the power connection fitting.
Disclosure of Invention
In view of the above analysis, the present application aims to provide a power connection fitting, which can improve the adaptability to cables of different types and the connection reliability.
The aim of the application is mainly achieved through the following technical scheme:
the application implementation provides an electric power connection fitting, includes: the body base comprises a sliding groove and two connecting clamping jaws, wherein the sliding groove extends along a first direction and penetrates through the connecting clamping jaws, and the connecting clamping jaws extend along a second direction; the first direction is perpendicular to the second direction; the threaded rod is rotatably arranged in the chute and comprises a first threaded section and a second threaded section, and the threads of the first threaded section and the second threaded section are opposite in rotation direction; at least four first connecting parts hinged with the body base; at least two first connecting parts are buckled with the same connecting clamping jaw and are positioned at two ends of the chute along the second direction; and the at least two second connecting parts are respectively in threaded connection with the first threaded section and the second threaded section and slide in the sliding groove.
According to the embodiment of the application, the two connecting clamping jaws are U-shaped grooves, and the opening direction is parallel to the first direction and is opposite to the first direction; the two second connecting parts are concave semicircular arcs, the opening direction is parallel to the first direction, and the two second connecting parts are arranged back to back.
According to the embodiment of the application, the first connecting part is hinged with one end of the connecting clamping jaw, which is far away from the chute; the first connecting portion is concave semicircular arc, and one end far away from the hinge is provided with a limiting portion extending outwards along the radial direction.
According to the embodiment of the application, the body base further comprises a limiting sliding groove and at least two limiting sliding blocks, wherein the limiting sliding groove extends along the first direction, and the limiting sliding blocks are in sliding connection with the limiting sliding groove and are in butt joint with the limiting part.
According to the embodiment of the application, the limit sliding block is provided with a lock nut, and the relative positions of the limit sliding block and the limit sliding groove are fixed.
According to an embodiment of the application, the connecting clamping jaw comprises a first groove section and a second groove section which are respectively positioned at two sides of the sliding groove along the second direction; the first groove section is hinged with at least one first connecting part, and is provided with a first abdicating part; the second groove section is hinged with at least one first connecting part, and the second groove section is provided with a second abdicating part.
According to the embodiment of the application, the inner wall of the first groove section is provided with a first spiral protrusion, the inner wall of the second groove section is provided with a second spiral protrusion, and the rotation directions of the first spiral protrusion and the second spiral protrusion are opposite.
According to the embodiment of the application, the threaded rod stretches out from the body base along the first direction, and the two ends of the threaded rod are provided with fixing nuts which are abutted with the body base.
According to an embodiment of the application, the threaded rod is provided with a rotation portion, located between the first thread section and the second thread section, and exposed with respect to the body base.
According to the embodiment of the application, the rotating part is provided with a plurality of jacks extending radially along the rotating part, and the jacks are uniformly distributed along the circumference of the rotating part.
In the electric power connecting fitting that this application embodiment provided, connect clamping jaw and first connecting portion articulated, can the centre gripping cable through the mode of lock, to the cable of different models, only need adjust the rotation angle of first connecting portion relative connection clamping jaw, just can adapt to the cable of different diameters and improved the universality of the electric power connecting fitting of this application embodiment. The threaded rod can enable the second connecting portion to move along the radial direction of the connecting clamping jaw, so that the cable is misplaced at the sliding groove, the possibility that the cable slides out of the sliding groove is reduced, and the reliability of connection is improved. Therefore, the electric power connecting fitting can improve the adaptability to cables of different types and improve the reliability of connection.
In the application, the above technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the application, like reference numerals being used to refer to like parts throughout the several views.
Fig. 1 is a schematic structural diagram of an electric power connection fitting according to an embodiment of the present application.
Fig. 2 is a side view of a power connection fitting according to an embodiment of the present application.
Fig. 3 is a schematic diagram of an internal structure of the power connection fitting according to the embodiment of the present application.
Reference numerals:
1. a body base; 11. a chute; 11a, a first connection section; 11b, a second connecting section; 12. connecting clamping jaws; 13. limiting sliding grooves; 14. a limit sliding block; 15. a lock nut;
2. a threaded rod; 21. a fixing nut; 22. a rotating part; 23. a jack;
3. a first connection portion;
4. a second connecting portion;
x, a first direction; y, second direction.
Detailed Description
Preferred embodiments of the present application are described in detail below with reference to the attached drawing figures, which form a part of the present application and, together with the embodiments of the present application, serve to explain the principles of the present application and are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, it may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediary. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.
The applicant has found that, when two cables are connected by a connection fitting, if it is desired to secure the reliability of the connection between the two cables, the connection fitting generally adopts an integral structure of a fixed shape so as to firmly connect the two cables, but different types of cables are used with different types of connection fitting. When two cables are connected through the connecting fitting, if the fitting is intended to be used for cables of different types, the connecting fitting generally adopts a multi-component structure, and the cables of different types are adapted by adjusting the positional relationship between different components, but the relative positions between the components of the connecting fitting can be adjusted, so that the risk of the cables falling off from the connecting fitting is increased.
In view of the above analysis, the applicant proposes a power connection fitting comprising a body base, a threaded rod, a first connection portion and a second connection portion. The first connecting portion is hinged with the base body and buckled with the connecting clamping jaw, and cables of different types can be connected and fixed by adjusting the angle of the first connecting portion relative to the connecting clamping jaw. The threaded rod can drive the second connecting portion to move along in the spout to make the cable produce the translation in spout department, in spout department and connection clamping jaw department, the dislocation takes place for the axis of cable, makes the cable difficult to drop in the power connection gold utensil of follow this application embodiment. Therefore, the electric power connecting fitting can achieve both reliability and universality.
Fig. 1 is a schematic structural diagram of an electric power connection fitting according to an embodiment of the present application. Fig. 2 is a side view of a power connection fitting according to an embodiment of the present application. Fig. 3 is a schematic diagram of an internal structure of the power connection fitting according to the embodiment of the present application.
Referring to fig. 1 to 3, an embodiment of the present application provides an electric power connection fitting, including: the body base 1 comprises a sliding groove 11 and two connecting clamping jaws 12, wherein the sliding groove 11 extends along a first direction X, passes through the connecting clamping jaws 12, and the connecting clamping jaws 12 extend along a second direction Y; the first direction X is perpendicular to the second direction Y; the threaded rod 2 is rotatably arranged in the chute 11 and comprises a first thread section (not shown in the figure) and a second thread section (not shown in the figure), and the threads of the first thread section and the second thread section are opposite in rotation; at least four first connecting parts 3, wherein the first connecting parts 3 are hinged with the body base 1; at least two first connecting parts 3 are buckled with the same connecting clamping jaw 12 and are positioned at two ends of the chute 11 along the second direction Y; at least two second connecting portions 4 are respectively connected with the first thread segments and the second thread segments in a threaded manner and slide in the sliding groove 11.
In the embodiment of the present application, the extending direction of the cable is the same as the extending direction of the connecting jaw 12, i.e. extends in the second direction Y. The first direction X is perpendicular to the second direction Y, and can be regarded as the radial direction of the cable, and the second direction Y is the axis of the cable.
The body base 1 is used as a main body of the power connection fitting of the embodiment of the present application. The connecting jaws 12 extend in the second direction Y for connecting cables, the chute 11 extends in the first direction X and passes through the connecting jaws 12 such that each connecting jaw 12 is divided into two parts.
The number of the first connecting parts 3 is four, and the four parts formed by the two connecting clamping jaws 12 are respectively in one-to-one correspondence. The first connecting portion 3 is hinged to the body base 1, so that the first connecting portion 3 can be buckled with the connecting clamping jaw 12 to form an accommodating space and fix the cable together. Because the first connecting part 3 is hinged with the body base 1, the relative position of the connecting clamping jaw 12 and the first connecting part 3 can be adjusted by rotating the first connecting part 3, and the inscribed circle diameter of the accommodating space can be adjusted to adapt to different diameters of cables of different types. When an active disconnection is required, the first connection part 3 can be rotated, releasing the cable. The two first connecting parts 3 and one connecting clamping jaw 12 form a group of fixed structures, and are fixedly connected with one cable. Considering that in general each embodiment of the present application is used for connecting at least two cables, the fixing structure formed by two first connecting portions 3 and one connecting jaw 12 should be provided with at least two sets.
The threaded rod 2 is arranged in the chute 11, the second connecting portion 4 is in threaded connection with the threaded rod 2, and under the limitation of the chute 11, when the threaded rod 2 rotates, the second connecting portion 4 can move in the chute 11. When the cable is fixed in the connection, rotating the threaded rod 2 causes the second connection portion 4 to push the cable in the first direction X, which causes translational misalignment at the chute 11, and shear force on the cable Shi Jiayan in the first direction X. At this time, the cable is subjected to the shearing force caused by the second connecting portion 4 in addition to the acting force of the clamping between the connecting clamping jaw 12 and the first connecting portion 3, which is equivalent to improving the actual positive pressure between the cable and the connecting clamping jaw 12 and the first connecting portion 3, and further increasing the actual friction between the cable and the connecting clamping jaw 12 and the first connecting portion 3, so that the cable can be effectively prevented from moving along the second direction Y relative to the electric power connecting fitting in the embodiment of the application, and the possibility of the cable slipping out is reduced.
Although the power connection fitting is suitable for cables of different types, in general, the types of two connected cables are the same, and the magnitude of the shearing force in the first direction X required during fixing is basically equal. The first thread section and the second thread section of the threaded rod 2 are threaded in opposite directions, and when the threaded rod 2 is rotated, the two second connecting portions 4 are respectively moved back or forth in the first direction X. Because the two second connecting parts 4 move synchronously, the shearing forces applied by the second connecting parts 4 to the two cables are equal in magnitude, and the risk of falling off of a single cable is reduced. Furthermore, moving the two second connecting portions 4 in synchronization is also advantageous in simplifying the operation process.
Further, with continued reference to fig. 2 to 3, the two connecting clamping jaws 12 are both U-shaped grooves, and the opening direction is parallel to the first direction X and is opposite to the first direction X; the two second connecting parts 4 are concave semicircular arcs, and the opening direction is parallel to the first direction X and is arranged back to back.
The connecting clamping jaw 12 adopts a U-shaped groove, openings are arranged in opposite directions, and the second connecting part 4 adopts a semicircular arc shape and is arranged in opposite directions. The connecting clamping jaw 12 and the second connecting part 4 can respectively apply reverse acting force along the first direction X to the cable, so that the reverse acting force can be more fully utilized to improve the friction force between the connecting clamping jaw 12 and the cable, and further the risk of slipping of the cable is reduced.
Further, with continued reference to fig. 1 to 3, the first connecting portion 3 is hinged to an end of the connecting jaw 12 remote from the chute 11; the first connecting part 3 is in a concave semicircular arc shape, and one end far away from the hinge part is provided with a limiting part extending outwards along the radial direction.
The first connecting portion 3 is concave semicircular, and when the first connecting portion 3 is buckled with the connecting clamping jaw 12, the first connecting portion 3 with the semicircular shape can fix and clamp a cable with the U-shaped bottom of the connecting clamping jaw 12. When the relative position of the first connecting portion 3 and the connecting jaw 12 is changed, the semicircular arc-shaped first connecting portion 3 and the U-shaped bottom of the connecting jaw 12 can always form a containing space, and the cross section of the cable corresponds to the inscribed circle of the cross section of the containing space.
Further, with continued reference to fig. 1 to 3, the body base 1 further includes a limiting chute 13 and at least two limiting sliders 14, the limiting chute 13 extends along the first direction X, and the limiting sliders 14 are slidably connected with the limiting chute 13 and abut against the limiting portion.
The two limit sliding blocks 14 slide back in the limit sliding groove 13, so that the limit sliding blocks 14 are abutted with the limit parts, the rotation of the first connecting part 3 can be limited, the first connecting part 3 is prevented from being elastically jacked by the cable self material, and the reliability of connection is ensured. The two limit sliding blocks 14 slide in the limit sliding groove 13, so that the limit part can be abducted, and the first connecting part 3 is prevented from interfering with the rotation of the first connecting part 3 when the first connecting part 3 is buckled with the connecting clamping jaw 12.
Further, with continued reference to fig. 1 to 3, the limit slider 14 is provided with a lock nut 15, and the relative positions of the limit slider 14 and the limit chute 13 are fixed.
After the first connecting part 3 and the connecting clamping jaw 12 are fixedly connected with the cable, the relative positions of the limiting sliding block 14 and the limiting sliding groove 13 can be fixed by screwing the locking nut 15. After the limiting slide block 14 is locked, the limiting slide block 14 is abutted with the limiting part, and the first connecting part 3 is also in a locked state, so that the risk of cable slipping caused by unlocking of the first connecting part 3 is reduced.
Further, with continued reference to fig. 1, the connecting jaw 12 includes a first slot section and a second slot section, respectively located on two sides of the chute 11 along the second direction Y; the first groove section is hinged with at least one first connecting part 3, and is provided with a first abdicating part; the second groove section is hinged with at least one first connecting part 3, and the second groove section is provided with a second abdicating part.
The chute 11 passes through the connecting jaw 12, dividing the connecting jaw 12 into a first and a second chute section, respectively located on both sides of the chute 11 in the second direction Y. Each groove section is hinged to one first connection 3, i.e. a first groove section is hinged to at least one first connection 3 and a second groove section is hinged to at least one first connection 3. Considering that the first connecting portion 3 is limited by the limiting slider 14 after rotating, a corresponding abdication space needs to be set on each groove section, that is, the first groove section is provided with a first abdication portion, and the second groove section is provided with a second abdication portion.
Further, the inner wall of the first groove section is provided with a first spiral protrusion (not shown in the figure), and the inner wall of the second groove section is provided with a second spiral protrusion (not shown in the figure), and the rotation directions of the first spiral protrusion and the second spiral protrusion are opposite.
After the cable is connected with the electric power connecting fitting of the embodiment of the application, the first spiral protrusion of the inner wall of the first groove section can be partially embedded into the surface of the cable, so that an anti-falling effect is achieved, the cable course can be formed by rotating a plurality of wires, and the rotation direction of the first spiral line can be opposite to that of the cable. The first spiral bulge and the second spiral bulge rotate to opposite directions, if the cable is in a falling trend, the opposite directions can lead to the opposite rotation falling and rotation trend of the cable, so that the cable is more difficult to fall off, and the reliability of the electric power connection fitting of the embodiment of the application is improved.
Further, with continued reference to fig. 1 to 3, the threaded rod 2 extends from the body base 1 along the first direction X, and fixing nuts 21 are disposed at two ends of the threaded rod 2 and abut against the body base 1.
The second connecting portion 4 of the rotary threaded rod 2 may move along the first direction X until the second connecting portion 4 cannot move further, which may be considered that the power connection fitting of the embodiment of the present application is fixedly connected with the cable. At this time, the fixing nuts 21 at both ends of the threaded rod 2 are screwed until the fixing nuts 21 are abutted against the body base 1, thereby fixing the relative positions of the second connecting portion and the body base 1, and achieving the purpose of further locking the cable.
Further, with continued reference to fig. 1-3, the threaded rod 2 is provided with a rotating portion 22, located between the first thread segment and the second thread segment, and exposed with respect to the body base 1.
In this embodiment, the two second connection portions 4 are synchronously adjusted by rotating the threaded rod 2, and for convenience of operation, the rotating portion 22 is disposed on the threaded rod 2, located between the first thread section and the second thread section, and in an exposed state. When the power connection fitting of the embodiment of the present application is used, the threaded rod 2 can be rotated by rotating the rotating portion 22 in the state of a road treasured.
Further, with continued reference to fig. 1 to 3, the rotating portion 22 is provided with a plurality of insertion holes 23 extending radially along the rotating portion 22, and the plurality of insertion holes 23 are uniformly distributed along the circumferential direction of the rotating portion 22.
The body base 1 restricts the radius of gyration of the rotating portion 22 in consideration of the fact that the rotating portion 22 rotates together with the threaded rod 2. In this embodiment, set up a plurality of jacks 23 on rotary part 22, can insert the inserted bar in jack 23, the rethread inserted bar drives rotary part 22 rotation, can increase the arm of force, makes the operation of rotating rotary part 22 more laborsaving. When the body base 1 restricts the further rotation of the insertion rod, the insertion rod can be pulled out and inserted into another insertion hole 23m, thus repeatedly completing the rotation of the threaded rod 2.
In summary, the embodiment of the application provides an electric power connection fitting. The connecting clamping jaw is hinged to the first connecting portion, cables can be clamped through the mode of buckling, and the universality of the electric power connecting fitting of the embodiment of the application is improved only by adjusting the rotating angle of the first connecting portion relative to the connecting clamping jaw for cables of different types. The threaded rod can enable the second connecting portion to move along the radial direction of the connecting clamping jaw, so that the cable is misplaced at the sliding groove, the possibility that the cable slides out of the sliding groove is reduced, and the reliability of connection is improved.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application.
Claims (10)
1. An electrical connection fitting, comprising:
the body base comprises a sliding groove and two connecting clamping jaws, wherein the sliding groove extends along a first direction and penetrates through the connecting clamping jaws, and the connecting clamping jaws extend along a second direction; the first direction is perpendicular to the second direction;
the threaded rod is rotatably arranged in the chute and comprises a first threaded section and a second threaded section, and the threads of the first threaded section and the second threaded section are opposite in rotation direction;
at least four first connecting parts hinged with the body base; at least two first connecting parts are buckled with the same connecting clamping jaw and are positioned at two ends of the sliding chute along the second direction;
and the at least two second connecting parts are respectively in threaded connection with the first threaded section and the second threaded section and slide in the sliding groove.
2. The power connection fitting according to claim 1, wherein both of the connection claws are U-shaped grooves, and an opening direction is parallel to the first direction and is disposed opposite to the first direction;
the two second connecting parts are concave semicircular arcs, and the opening direction is parallel to the first direction and is arranged back to back.
3. The power connection fitting according to claim 2, wherein the first connection portion is hinged to an end of the connection jaw remote from the chute; the first connecting portion is of a concave semicircular arc shape, and one end far away from the hinge is provided with a limiting portion extending outwards along the radial direction.
4. The power connection fitting according to claim 3, wherein the body base further comprises a limit chute and at least two limit sliders, the limit chute extending in the first direction, the limit sliders being slidably connected to the limit chute and abutting the limit portion.
5. The power connection fitting according to claim 4, wherein the limit slider is provided with a lock nut for fixing the relative positions of the limit slider and the limit chute.
6. A power connection fitting according to claim 3, wherein the connection jaw comprises a first slot section and a second slot section, one on each side of the chute in the second direction; the first groove section is hinged with at least one first connecting part, and is provided with a first abdicating part; the second groove section is hinged with at least one first connecting part, and the second groove section is provided with a second abdicating part.
7. The power connection fitting according to claim 6, wherein the inner wall of the first slot section is provided with a first spiral protrusion, the inner wall of the second slot section is provided with a second spiral protrusion, and the directions of rotation of the first spiral protrusion and the second spiral protrusion are opposite.
8. The power connection fitting according to claim 1, wherein the threaded rod extends from the body base in the first direction, and fixing nuts are provided at both ends of the threaded rod to abut against the body base.
9. The power connection fitting according to claim 8, wherein a threaded rod is provided with a rotating portion located between the first thread section and the second thread section and exposed with respect to the body base.
10. The power connection fitting according to claim 9, wherein the rotating portion is provided with a plurality of insertion holes extending radially along the rotating portion, and the insertion holes are uniformly distributed along the circumferential direction of the rotating portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310730242.5A CN116780446B (en) | 2023-06-19 | 2023-06-19 | Electric power connecting fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310730242.5A CN116780446B (en) | 2023-06-19 | 2023-06-19 | Electric power connecting fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116780446A CN116780446A (en) | 2023-09-19 |
| CN116780446B true CN116780446B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310730242.5A Active CN116780446B (en) | 2023-06-19 | 2023-06-19 | Electric power connecting fitting |
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| Country | Link |
|---|---|
| CN (1) | CN116780446B (en) |
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| CN215580273U (en) * | 2021-08-31 | 2022-01-18 | 国网山西省电力公司太原供电公司 | Wire clamp for stringing of transmission line engineering on transmission line tower |
| CN215771583U (en) * | 2021-09-16 | 2022-02-08 | 四川东旭昊电气设备有限公司 | Bolt type parallel groove clamp of antiskid line |
| CN217788814U (en) * | 2022-07-29 | 2022-11-11 | 浙江聚墨电力技术有限公司 | Stable connector for quickly connecting cables |
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| CN116780446A (en) | 2023-09-19 |
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