CN220342000U - Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line - Google Patents

Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line Download PDF

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Publication number
CN220342000U
CN220342000U CN202322032093.3U CN202322032093U CN220342000U CN 220342000 U CN220342000 U CN 220342000U CN 202322032093 U CN202322032093 U CN 202322032093U CN 220342000 U CN220342000 U CN 220342000U
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China
Prior art keywords
wire
crimping pipe
crimping
clamping assembly
proof
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CN202322032093.3U
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Chinese (zh)
Inventor
李海波
卢泓冶
王俊
崔振凯
刘启道
李涛
朱磊
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Yunnan Power Grid Co ltd Construction Branch
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Yunnan Power Grid Co ltd Construction Branch
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Abstract

The utility model discloses a wind-proof vibration-resistant hardware fitting for a drainage wire of a high-voltage transmission line, and belongs to the technical field of electric power fittings. The device mainly comprises a crimping pipe clamping assembly, a wire clamping assembly and two steel strands, wherein the crimping pipe clamping assembly is fixedly clamped with a wire crimping pipe, the wire clamping assembly is fixedly clamped with a drainage pipe, and the two steel strands are connected between the crimping pipe clamping assembly and the wire clamping assembly; the crimping pipe clamping assembly comprises two opposite crimping pipe clamping covers, and crimping pipe steel strand accommodating and mounting grooves extending in the axial direction are formed in the outer side surfaces of the crimping pipe clamping covers; the wire clamping assembly comprises two opposite wire clamping covers, and a wire steel strand accommodating and mounting groove extending in the axial direction is formed in the outer side face of each wire clamping cover. The utility model has the advantages of small and reasonable structural design, strong vibration resistance, easy production and processing, low production and manufacturing difficulty, low high-altitude operation difficulty, strong practicability, good market application prospect and positive significance in the field of electric power fittings.

Description

Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line
Technical Field
The utility model belongs to the technical field of electric power fittings, and particularly relates to a wind-proof and vibration-proof fitting for a drainage wire of a high-voltage power transmission line, which has strong vibration-proof capability, can effectively relieve the phenomenon of strand breakage and wire breakage of the drainage wire, has small and reasonable structural design, low production, processing and manufacturing cost, effectively improves the safety and reliability of a power grid, and has good market application prospect.
Background
The power transmission line often spans greatly, and the phenomenon of waving is more prominent in severe windy weather, and the damage of the line equipment is seriously influenced by the waving of the windy. Long-term strong wind fatigue and galloping stress cause frequent occurrence of strand breakage and wire breakage of a drainage wire (also called a jumper) at the outlet of a wire crimping pipe.
In order to solve the problems, chinese patent publication number CN214176831U, publication date 2021, 09 and 10, and utility model creation name of jumper strong wind swing breakage prevention protection device, wherein the Chinese patent publication number CN214176831U, publication date 2021, 09 and 10 discloses a jumper strong wind swing breakage prevention protection device for overhead transmission line bearing tower jumpers and transformer substation power distribution devices, which mainly comprises a fixed wire clip clamped at the tail end of a jumper pressure pipe and N preformed armor rods; the fixed wire clamp clamped at the tail end of the jumper wire crimping pipe comprises two arc-shaped clamp body half-notches and 2 fastening bolts which are mutually matched, the two arc-shaped clamp body half-notches are matched to form a hole which can axially accommodate the jumper wire crimping pipe to pass through, one sides of the two arc-shaped clamp body half-notches are hinged through a pin shaft, hanging lugs which extend outwards in the radial direction are respectively arranged on the peripheral wall of the other side of the two arc-shaped clamp body half-notches, and two ear holes are correspondingly formed on the hanging lugs of the two arc-shaped clamp body half-notches respectively; the two arc-shaped clamp body halves of the fixed wire clamp, namely the front end and the rear end of the first arc-shaped clamp body half and the second arc-shaped clamp body half are also provided with anti-corona edges, and a total of N axial preformed armor rods are also annularly and uniformly arranged on the anti-corona edges at the rear ends of the two arc-shaped clamp body halves; the 2 fastening bolts can penetrate through the earholes on the two arc-shaped clamp body half-missing lugs of the fixed wire clamp to fasten the two arc-shaped clamp body half-missing lugs; the N preformed armor rods are composed of vibration reduction sections and holding sections, the front ends of the front vibration reduction sections can sequentially penetrate through preformed armor rod mounting holes formed in the anti-corona edges of the two arc-shaped clamp body half-gaps of the fixed wire clamp to be exposed, and the holding sections at the rear ends are wound on protected jumpers.
Although the scheme relieves the problem of stress concentration of the drainage wire at the outlet of the wire crimping pipe, the installation is complex, the high-altitude operation is difficult, and the practicability is poor; in addition, the reliability of the structural design is relatively poor, and the preformed armor rods easily fall off from the preformed armor rods mounting holes to cause failure of the vibration reduction function.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the wind-proof and vibration-proof hardware fitting for the drainage wire of the high-voltage transmission line, which has strong vibration-proof capability, effectively relieves the phenomenon of strand breakage and wire breakage of the drainage wire, effectively improves the safety and reliability of a power grid, has small and reasonable structural design, low production, processing and manufacturing cost and good market application prospect.
The utility model is realized by the following technical scheme:
a wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line comprises a crimping pipe clamping assembly, a wire clamping assembly and two steel strands, wherein the crimping pipe clamping assembly is fixedly clamped with a wire crimping pipe, the wire clamping assembly is fixedly clamped with the drainage wire, and the two steel strands are connected between the crimping pipe clamping assembly and the wire clamping assembly;
the crimping pipe clamping assembly comprises two oppositely-matched crimping pipe clamping covers, a crimping pipe steel strand accommodating and mounting groove extending in the axial direction is formed in the outer side face of each crimping pipe clamping cover, a groove for accommodating a crimping pipe rubber half pad is formed in the inner side end face of each crimping pipe clamping cover, and an accommodating space formed by the oppositely-matched crimping pipe rubber half pads is matched with the wire crimping pipe;
the wire clamping assembly and the crimping pipe clamping assembly are oppositely arranged, the wire clamping assembly comprises two opposite wire clamping covers, a wire steel strand accommodating and mounting groove extending in the axial direction is formed in the outer side face of each wire clamping cover, a groove for accommodating a wire rubber half pad is formed in the inner side end face of each wire clamping cover, and an accommodating space formed by the two wire rubber half pads in opposite joint is matched with the wires;
and two ends of the steel strand are respectively fixed in the crimping pipe steel strand accommodating and mounting groove and the wire steel strand accommodating and mounting groove.
Preferably, a plurality of mounting holes are formed in two sides of the crimping pipe clamping cover, and the wire crimping pipe is clamped and fixed through a bolt fastener after the crimping pipe clamping covers are closed;
and a plurality of mounting holes are formed in two sides of the wire clamping cover, and the wires are clamped and fixed through bolt fasteners after the two wire clamping covers are closed. The crimping pipe clamping covers are independent parts, two mounting holes are respectively formed in two sides of each crimping pipe clamping cover, and the two crimping pipe clamping covers are vertically involuted to clamp the wire crimping pipes and then are kept in a locking state by the bolt fasteners. Similarly, the wire clamping covers are independent parts, two mounting holes are respectively formed in two sides of each wire clamping cover, and the two wire clamping covers are kept in a locking state by the bolt fastener after being vertically involuted to clamp the drainage wire. The structure is simple to manufacture, low in production cost and low in high-altitude operation difficulty.
Preferably, the two crimping tube clamping covers are movably linked by adopting a hinge structure, and the opening ends of the two crimping tube clamping covers are fixedly connected by utilizing a bolt fastener or a quick locking structure. The connection between the two crimping pipe clamping covers and the connection mode between the two lead clamping covers are designed variously, the hinge structure and the quick locking structure may have higher cost, but the high-altitude operation is convenient and quick to install.
Preferably, the steel strand is formed by twisting a plurality of metal preformed armor rods. The rigid structure is strong, and when external stress exists, the friction motion between the stranded steel wires generates kinetic energy to release the stress.
Preferably, the steel strand is fixed in the crimp tube steel strand accommodating and mounting groove and the wire steel strand accommodating and mounting groove in an adhesive connection mode. The manufacturing is easy, the structure is stable, and when the crimping pipe clamping assembly and the wire clamping assembly clamp the electric power fitting connected respectively, the relative distance is fixed, so that the steel stranded wires can be firmly connected with the crimping pipe clamping assembly and the wire clamping assembly even though only being glued.
Preferably, the section of the accommodating space formed by the two crimping pipe rubber half gaskets in butt joint is in a regular hexagon shape; the section of the accommodating space formed by the two lead rubber half pads in a butt joint mode is circular. The shape of the two rubber half pads after involution is flexibly adjusted according to the shape of the electric power fitting connected with the two rubber half pads as required.
Preferably, the rubber half pad of the crimping tube is fixed in the groove of the crimping tube clamping cover in an adhesive connection mode; the wire rubber half pad is fixed in the groove of the wire clamping cover in an adhesive connection mode. The production and the manufacture are convenient and easy.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has the advantages of small and reasonable structural design and strong vibration resistance, and forms a one-piece structure through the steel stranded wires; the ingenious structural design strengthens the rigidity strength of the drainage wire at the pipe orifice of the wire crimping pipe, and improves the self vibration resistance and the service life of the drainage wire from the aspect of mechanical strength; on the other hand, the concentrated stress at the pipe orifice of the wire crimping is skillfully transferred to the steel strand, and the steel strand converts the received stress into heat energy through the friction movement between the inner strand and the outer strand of the steel strand to release the heat energy, so that effective protection is provided for the drainage wire at the pipe orifice of the wire crimping, and the occurrence probability of the phenomenon of strand breakage and wire breakage of the drainage wire is greatly reduced;
the damping rubber piece is used as the transition piece when clamping, the damping rubber piece is used for holding the wire crimping pipe and the wire, and the damping effect of the damping rubber piece can play a certain auxiliary role in reducing the wind vibration intensity;
the utility model has the advantages of stable and reliable structural design, easy production and processing, low production and manufacturing difficulty, low high-altitude operation difficulty, strong practicability, good market application prospect and positive significance in the field of electric power fittings.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.
Fig. 3 is a schematic top view of the present utility model.
Fig. 4 is a schematic side view of the present utility model.
Fig. 5 is a schematic perspective view of the third embodiment of the present utility model.
In the figure: 1. a crimp tube clamping assembly; 11. the pressure connection pipe clamps the cover; 12. the crimp tube steel strand accommodating and mounting groove; 13. crimping a pipe rubber half pad; 2. a wire clamping assembly; 21. a wire clamping cover; 22. the wire steel strand accommodates the mounting groove; 23. a wire rubber half pad; 3. and (5) steel strand wires.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
in order that the reader may better understand the design of the present utility model, the following describes the technical scheme of the present utility model with reference to the examples. It should be noted that, the terms including, but not limited to, "upper, lower, left, right, front, rear" and the like in the following paragraphs may refer to any orientation according to the visual orientation shown in the drawings of the specification and should not be construed as limiting the scope or technical solution of the present utility model.
In the description of the present specification, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a wind-proof and vibration-proof hardware fitting for a drain wire of a high-voltage transmission line, which comprises a crimping pipe clamping assembly 1 fixed with a wire crimping pipe, a wire clamping assembly 2 fixed with the drain wire, and two steel strands 3 connected between the crimping pipe clamping assembly 1 and the wire clamping assembly 2;
the crimping pipe clamping assembly 1 comprises two opposite crimping pipe clamping covers 11, a crimping pipe steel strand accommodating and mounting groove 12 extending in the axial direction is formed in the outer side face of each crimping pipe clamping cover 11, a groove for accommodating a crimping pipe rubber half pad 13 is formed in the inner side end face of each crimping pipe clamping cover 11, and an accommodating space formed by the two crimping pipe rubber half pads 13 in an opposite joint mode is matched with the wire crimping pipe; after the wire crimping pipe is arranged in the accommodating space formed by the involution of the two crimping pipe rubber half gaskets 13, the two crimping pipe clamping covers 11 are fixed into a whole through the fastener.
The wire clamping assembly 2 comprises two opposite wire clamping covers 21, a wire steel strand accommodating and mounting groove 22 extending in the axial direction is formed in the outer side face of each wire clamping cover 21, a groove for accommodating a wire rubber half pad 23 is formed in the inner side end face of each wire clamping cover 21, and an accommodating space formed by the opposite connection of the two wire rubber half pads 23 is matched with a wire. The wire clamping assembly 2 is arranged opposite to the crimping tube clamping assembly 1, namely the crimping tube steel strand accommodating and mounting groove 12 and the wire steel strand accommodating and mounting groove 22 are arranged opposite to each other, and two ends of the steel strand 3 are respectively fixed in the crimping tube steel strand accommodating and mounting groove 12 and the wire steel strand accommodating and mounting groove 22. After the wires are installed in the accommodating space formed by the butt joint of the two wire rubber half pads 23, the two wire clamping covers 21 are fixed into a whole through the fasteners.
The installation process of the embodiment is as follows: in the state that the two crimping tube holding covers 11 are separated, the wire crimping tube is accommodated in the accommodation space formed by the two crimping tube rubber half pads 13, in the state that the two wire holding covers 21 are separated, the wire crimping tube is accommodated in the accommodation space formed by the two wire rubber half pads 23, then the two crimping tube holding covers 11 are locked to keep the two crimping tube holding covers 11 in a holding and fixing state with the wire crimping tube, and then the two wire holding covers 21 are locked to keep the two wire holding covers 21 in a holding and fixing state with the wire. When the wire crimping device is installed, the two crimping tube clamping covers 11 are clamped at the tube opening of the wire crimping tube, so that the drainage wire at the tube opening of the wire crimping tube can be protected better.
The embodiment has the advantages of small and reasonable structural design and strong vibration resistance, and a steel strand forms a one-piece structure; the ingenious structural design strengthens the rigidity strength of the drainage wire at the pipe orifice of the wire crimping pipe, and improves the self vibration resistance and the service life of the drainage wire from the aspect of mechanical strength; on the other hand, the concentrated stress at the pipe orifice of the wire crimping is skillfully transferred to the steel strand, and the steel strand converts the received stress into heat energy through the friction movement between the inner strand and the outer strand of the steel strand to release the heat energy, so that effective protection is provided for the drainage wire at the pipe orifice of the wire crimping, and the occurrence probability of the phenomenon of strand breakage and wire breakage of the drainage wire is greatly reduced;
the rubber piece is used as the transition piece during clamping, the damping rubber piece is used for holding the wire crimping pipe and the wire, and the damping effect of the damping rubber piece can play a certain auxiliary role in reducing wind vibration intensity;
the embodiment has the advantages of stable and reliable structural design, easy production and processing, low production and manufacturing difficulty, low high-altitude operation difficulty, strong practicability, good market application prospect and positive significance in the field of electric power fittings.
Example 2
The technical features and functions of the present utility model will be described in detail based on embodiment 1 so as to help those skilled in the art to fully understand and reproduce the technical scheme of the present utility model.
As shown in fig. 1 to 5, the present embodiment provides a drainage wire wind-proof and vibration-proof hardware fitting for a high-voltage transmission line, which comprises a crimping pipe clamping assembly 1 fixed with a wire crimping pipe, a wire clamping assembly 2 fixed with the drainage pipe, and two steel strands 3 connected between the crimping pipe clamping assembly 1 and the wire clamping assembly 2;
the crimping pipe clamping assembly 1 comprises two opposite crimping pipe clamping covers 11, a crimping pipe steel strand accommodating and mounting groove 12 extending in the axial direction is formed in the outer side face of each crimping pipe clamping cover 11, a groove for accommodating a crimping pipe rubber half pad 13 is formed in the inner side end face of each crimping pipe clamping cover 11, and an accommodating space formed by the two crimping pipe rubber half pads 13 in an opposite joint mode is matched with the wire crimping pipe;
the wire holding assembly 2 includes two opposite wire holding covers 21, and a wire strand accommodating and mounting groove 22 extending in the axial direction is provided on the outer side surface of the wire holding cover 21. The inner side end surface of the wire clamping cover 21 is provided with a groove for accommodating the wire rubber half pads 23, and an accommodating space formed by the involution of the two wire rubber half pads 23 is matched with a wire; the wire clamping assembly 2 is disposed opposite the crimp tube clamping assembly 1, i.e., the crimp tube strand receiving mounting slot 12 and the wire strand receiving mounting slot 22 are disposed opposite. The section of the accommodating space formed by the involution of the two crimping pipe rubber half gaskets 13 is in a regular hexagon shape; the section of the accommodating space formed by the two lead rubber half pads 23 in a butt joint mode is circular. The shape of the two rubber half pads after involution is flexibly adjusted according to the shape of the electric power fitting connected with the two rubber half pads as required. The pressure pipe rubber half pad 13 is fixed in the groove of the pressure pipe clamping cover 11 in an adhesive connection mode; the wire rubber half pad 23 is fixed in the groove of the wire holding cover 21 by an adhesive connection. The production and the manufacture are convenient and easy.
The two ends of the steel strand 3 are respectively fixed in the crimp tube steel strand accommodating and mounting groove 12 and the wire steel strand accommodating and mounting groove 22, and the steel strand 3 is formed by stranding a plurality of metal preformed armor rods. The rigid structure is strong, and when external stress exists, the friction motion between the stranded steel wires generates kinetic energy to release the stress.
Specifically, in this embodiment, a plurality of mounting holes are formed on two sides of the crimp tube clamping cover 11, and after the two crimp tube clamping covers 11 are closed, the wire crimp tube is clamped and fixed by the bolt fastener;
a plurality of mounting holes are formed in two sides of the wire clamping cover 21, and after the two wire clamping covers 21 are closed, the wires are clamped and fixed through bolt fasteners. The crimping pipe clamping covers are independent parts, two mounting holes are respectively formed in two sides of each crimping pipe clamping cover, and the two crimping pipe clamping covers are vertically involuted to clamp the wire crimping pipes and then are kept in a locking state by the bolt fasteners. Similarly, the wire clamping covers are independent parts, two mounting holes are respectively formed in two sides of each wire clamping cover, and the two wire clamping covers are kept in a locking state by the bolt fastener after being vertically involuted to clamp the drainage wire. The structure is simple to manufacture, low in production cost and low in high-altitude operation difficulty.
In this embodiment, the two crimping pipe clamping covers 11 are movably linked by adopting a hinge structure, and the open ends of the two crimping pipe clamping covers 11 are fixedly connected by using a bolt fastener or a quick locking structure. The connection between the two crimping pipe clamping covers and the connection mode between the two lead clamping covers are designed variously, the hinge structure and the quick locking structure may have higher cost, but the high-altitude operation is convenient and quick to install. The steel strands 3 are fixed in the crimp tube steel strand accommodating and mounting groove 12 and the wire steel strand accommodating and mounting groove 22 in an adhesive connection mode. The manufacturing is easy, the structure is stable, and when the crimping pipe clamping assembly and the wire clamping assembly clamp the electric power fitting connected respectively, the relative distance is fixed, so that the steel stranded wires can be firmly connected with the crimping pipe clamping assembly and the wire clamping assembly even though only being glued.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a high tension transmission line drainage line anti wind and vibration gold utensil which characterized in that: the wire clamping device comprises a crimping tube clamping assembly, a wire clamping assembly and two steel strands, wherein the crimping tube clamping assembly is fixedly clamped with a wire crimping tube, the wire clamping assembly is fixedly clamped with a drainage tube, and the two steel strands are connected between the crimping tube clamping assembly and the wire clamping assembly;
the crimping pipe clamping assembly comprises two oppositely-matched crimping pipe clamping covers, a crimping pipe steel strand accommodating and mounting groove extending in the axial direction is formed in the outer side face of each crimping pipe clamping cover, a groove for accommodating a crimping pipe rubber half pad is formed in the inner side end face of each crimping pipe clamping cover, and an accommodating space formed by the oppositely-matched crimping pipe rubber half pads is matched with the wire crimping pipe;
the wire clamping assembly and the crimping pipe clamping assembly are oppositely arranged, the wire clamping assembly comprises two opposite wire clamping covers, a wire steel strand accommodating and mounting groove extending in the axial direction is formed in the outer side face of each wire clamping cover, a groove for accommodating a wire rubber half pad is formed in the inner side end face of each wire clamping cover, and an accommodating space formed by the two wire rubber half pads in opposite joint is matched with the wires;
and two ends of the steel strand are respectively fixed in the crimping pipe steel strand accommodating and mounting groove and the wire steel strand accommodating and mounting groove.
2. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1, wherein: a plurality of mounting holes are formed in two sides of the crimping pipe clamping cover, and the wire crimping pipe is clamped and fixed through a bolt fastener after the crimping pipe clamping covers are closed;
and a plurality of mounting holes are formed in two sides of the wire clamping cover, and the wires are clamped and fixed through bolt fasteners after the two wire clamping covers are closed.
3. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1, wherein: the two crimping pipe clamping covers are movably connected through a hinge structure, and the opening ends of the two crimping pipe clamping covers are fixedly connected through bolt fasteners or a quick locking structure.
4. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1, wherein: the steel strand is formed by twisting a plurality of metal preformed armor rods.
5. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1 or 4, wherein: the steel strand wires adopt sticky connected mode to be fixed in crimping pipe steel strand wires hold the mounting groove with in the wire steel strand wires hold the mounting groove.
6. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1, wherein: the section of the accommodating space formed by the butt joint of the two rubber half gaskets of the crimping pipe is in a regular hexagon shape; the section of the accommodating space formed by the two lead rubber half pads in a butt joint mode is circular.
7. The wind-proof and vibration-proof hardware fitting for a drainage wire of a high-voltage transmission line according to claim 1, wherein: the crimping pipe rubber half pad is fixed in a groove of the crimping pipe clamping cover in an adhesive connection mode; the wire rubber half pad is fixed in the groove of the wire clamping cover in an adhesive connection mode.
CN202322032093.3U 2023-07-31 2023-07-31 Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line Active CN220342000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322032093.3U CN220342000U (en) 2023-07-31 2023-07-31 Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322032093.3U CN220342000U (en) 2023-07-31 2023-07-31 Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line

Publications (1)

Publication Number Publication Date
CN220342000U true CN220342000U (en) 2024-01-12

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ID=89457357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322032093.3U Active CN220342000U (en) 2023-07-31 2023-07-31 Wind-proof vibration-proof hardware fitting for drainage wire of high-voltage transmission line

Country Status (1)

Country Link
CN (1) CN220342000U (en)

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