Telegraph pole convenient for erecting optical cable ground wire

Abstract

The utility model relates to the technical field of optical cable erection, in particular to a telegraph pole convenient for erecting an optical cable ground wire, which comprises a telegraph pole and an erecting structure, and comprises a mounting sleeve, an optical cable, a ground wire and a ground wire, the core rod is used for erecting an optical cable and leading thunder and lightning to the underground, and the core rod comprises a fixing rod located in the mounting sleeve and a mounting rod located outside the mounting sleeve and connected with the fixing rod; the cap insulators are sleeved on the mounting rod at intervals along the axis direction of the mounting rod; and the Y-shaped insulator is used for erecting and fixing the optical cable. According to the utility model, by arranging the mounting sleeve and the core rod, the mounting bracket is formed at the upper part of the telegraph pole, a stable mounting platform is provided for the capped insulator and the Y-shaped insulator, and the optical cable is convenient to erect and fix; meanwhile, the core rod has the lightning protection and grounding functions, lightning stroke current can be instantly led into the ground, and therefore the probability that related equipment on the telegraph pole is struck by lightning is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical cable erection, especially to a telegraph pole facilitating optical cable ground wire erection. BACKGROUND

[0002] In a 10kV power transmission and distribution system, the telegraph pole is an important facility for supporting overhead lines. The ground wire of the traditional telegraph pole usually adopts galvanized steel strand, only having lightning protection function, and cannot meet the demand of modern power system on communication function. Meanwhile, the traditional telegraph pole has a complex and tedious construction process when erecting optical cable and installing related equipment, and a large amount of manpower and time is needed. In the later maintenance process, the equipment is extremely inconvenient to overhaul and replace, further increasing the operation cost. SUMMARY

[0003] In order to solve at least one of the above technical problems, the utility model provides a telegraph pole facilitating optical cable ground wire erection to solve the problem of inconvenient optical cable ground wire erection of the existing telegraph pole and no good lightning protection function.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A telegraph pole facilitating optical cable ground wire erection comprises a telegraph pole and an erection structure sleeved on the telegraph pole.

[0006] The erection structure comprises:

[0007] A mounting sleeve is used for sleeving and fixing on the upper part of the telegraph pole, and the mounting sleeve is a barrel-shaped structure with one end open.

[0008] A core rod is used for erecting optical cable and connecting lightning to the ground, and the core rod comprises a fixing rod located inside the mounting sleeve and a mounting rod connected with the fixing rod outside the mounting sleeve.

[0009] The fixing rod is movably vertically fixed inside the telegraph pole, and the central axis of the core rod coincides with the central axis of the telegraph pole.

[0010] A capped insulator is sleeved on the mounting rod in the axial direction of the mounting rod.

[0011] A Y-shaped insulator is used for erecting and fixing optical cable, and the Y-shaped insulator is fixed at one end of the capped insulator away from the mounting sleeve.

[0012] The fixing rod is a threaded rod, and the telegraph pole is provided with an internal thread matched with the threaded rod in the axial direction of the telegraph pole.

[0013] Preferably, a threaded sleeve is pre-set on the upper part of the telegraph pole in the axial direction of the telegraph pole, and the internal thread of the threaded sleeve is adapted to the external thread of the threaded rod.

[0014] Preferably, the electric pole further comprises fasteners, which are threaded nails, and the mounting sleeve is fixed with the electric pole through the threaded nails.

[0015] Preferably, the number of the threaded nails is 4.

[0016] Preferably, the lower part of the electric pole is provided with a communication equipment interface and / or an optical cable joint box at a distance of 1.5-2.0 meters from the ground, which is used for the optical cable to communicate with the outside.

[0017] Preferably, the cap insulator and the Y-shaped insulator are both made of ceramic material.

[0018] Preferably, the optical cable is an OPGW optical cable, and the electric pole is a cement pole.

[0019] Preferably, the core pole and the mounting sleeve are both made of stainless steel material.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The utility model discloses a mounting sleeve and a core pole are set up, and the mounting bracket is formed on the upper part of the electric pole, which provides a stable mounting platform for the cap insulator and the Y-shaped insulator, and the erection and fixation of the optical cable are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a kind of electric pole for the erection of optical cable ground wire convenient stereogram;

[0023] Figure 2 It is a kind of electric pole for the erection of optical cable ground wire convenient side view;

[0024] Figure 3 It is a kind of electric pole for the erection of optical cable ground wire convenient plan;

[0025] Figure 4 It is a kind of electric pole for the erection of optical cable ground wire convenient perspective view;

[0026] Figure 5 It is the explosion schematic diagram of the erection structure in the utility model;

[0027] In the drawing: 10, electric pole;20, erection structure;201, mounting sleeve;202, core pole;2021, mounting pole;2022, fixed pole;203, cap insulator;204, Y-shaped insulator;30, fastener;40, optical cable. DETAILED DESCRIPTION

[0028] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0029] Please refer to Figures 1 to 5 The utility model discloses a kind of electric poles facilitating erection of optical cable ground wire, comprising: electric pole 10 and erection structure 20 being set on electric pole 10;Erection structure 20 includes:

[0030] Mounting sleeve 201 is used to be set fixed in the upper portion of electric pole 10, and mounting sleeve 201 is a barrel with one end opening;

[0031] Core rod 202 is used to erect optical cable 40 and connect lightning to underground, and core rod 202 includes fixed rod 2022 located in the inside of mounting sleeve 201 and mounting rod 2021 connected with fixed rod 2022 outside mounting sleeve 201;Fixed rod 2022 is movably vertically fixed in the inside of electric pole 10, and the central axis of core rod 202 coincides with the central axis of electric pole 10;

[0032] Cap insulator 203 is set on mounting rod 2021 in the axial direction of mounting rod 2021 with interval;

[0033] Y-type insulator 204 is used to erect and fix optical cable 40, and Y-type insulator 204 is fixed at the end of cap insulator 203 away from mounting sleeve 201.

[0034] The present embodiment is provided with mounting sleeve 201 and core rod 202, forms mounting bracket on the upper portion of electric pole 10, provides stable mounting platform for cap insulator 203 and Y-type insulator 204, facilitates the erection and fixation of optical cable 40;At the same time, core rod 202 has the effect of lightning protection grounding, can instantly introduce lightning current into underground, thereby effectively reducing the probability of lightning accident of related equipment on electric pole 10.

[0035] It should be noted that the above-mentioned electric pole 10 in the present embodiment is an electric pole 10 with a voltage level of 10KV, and the material is cement.

[0036] The mounting sleeve 201 and the core rod 202 are made of stainless steel, the core rod 202 made of stainless steel has good electrical conductivity, can quickly introduce lightning into the ground, avoid damage to the electric pole 10, the optical cable 40 and the communication equipment caused by lightning, and enhance the lightning protection performance of the whole system. At the same time, the core rod 202 and the mounting sleeve 201 have good corrosion resistance and strength by using stainless steel, can be used in outdoor environment for a long time without being easily damaged, reduce the frequency of maintenance and replacement, and reduce the operating cost.

[0037] The hat insulator 203 and the Y-type insulator 204 described above are both made of ceramic material. The ceramic material insulator has the following advantages: in terms of electrical performance, it has high insulation, corona resistance and arc resistance, which can effectively ensure the safe and stable operation of the power system; it has good mechanical properties, high strength, wear resistance, and can withstand various external forces to ensure the stability of the line structure; at the same time, it has strong chemical stability, corrosion resistance and aging resistance, and is suitable for harsh environments, with long service life; it has excellent thermal performance, high temperature resistance and good thermal stability, and can adapt to temperature changes; in addition, the ceramic surface is smooth and not easy to accumulate dirt.

[0038] The optical cable 40 described above is an OPGW optical cable. Specifically, the structure of the OPGW optical cable mainly includes:

[0039] Optical fiber unit: usually made of high-purity quartz glass material, with high transmission rate, large transmission bandwidth, strong anti-interference ability and other characteristics, it is the core part of realizing communication signal transmission.

[0040] Metallic conductor: generally uses aluminum, aluminum alloy or steel and other metal materials, which is used to realize grounding and lightning protection function, and in some cases can also undertake certain current transmission task.

[0041] Insulating layer: mainly made of epoxy resin, high molecular material and the like, with good insulation performance and electric breakdown resistance, which can ensure the safe operation of the optical fiber in high voltage environment.

[0042] Shielding layer: used to avoid the interference of power signals on optical fiber transmission, to ensure the quality and reliability of communication signals.

[0043] Based on the above structure, the OPGW optical cable has the following functions:

[0044] Lightning protection and grounding function: the metallic conductor part in the OPGW optical cable is grounded in the power system like the traditional overhead ground wire, which can introduce lightning and other overvoltages into the ground to provide lightning protection for the power transmission line and avoid damage to the power transmission line caused by lightning.

[0045] Communication function: based on the total reflection principle of optical fiber, when the optical signal enters from one end of the optical fiber, due to the difference between the refractive index inside the optical fiber and the external environment, the light will continuously reflect inside the optical fiber, and then transmitted to the other end along the optical fiber, and then converted into an electrical signal by a detector to realize the transmission of communication signals.

[0046] The OPGW optical cable integrates the communication and lightning protection functions, reduces the number of optical cables 40 and ground wires required in the power transmission line, and reduces the construction and maintenance costs. The optical fiber transmission is not affected by electromagnetic interference, which can ensure the stable transmission of communication signals, and also improves the lightning protection performance of the power transmission line. At the same time, the optical fiber has a large transmission bandwidth, which can meet the demand of high-speed data transmission, and provides strong support for the informatization and automation development of the power system. Thus, the integration design of the optical cable 40 power transmission, communication function and lightning protection is realized.

[0047] Please refer to Figure 4 and Figure 5 As shown, in order to facilitate the fixation of the core rod 202, the fixed rod 2022 is a threaded rod in this embodiment, and the utility pole 10 is provided with an internal thread matched with the threaded rod along the axial direction thereof.

[0048] It should be noted that when the utility pole 10 is a cement pole, the internal thread can be provided on the upper part of the cement pole by pre-embedding a metal threaded sleeve or drilling and tapping.

[0049] Specifically, the pre-embedding metal threaded sleeve is suitable for thread setting during the production process of the cement pole. Specifically, the upper part of the utility pole 10 is pre-provided with a threaded sleeve along the axial direction thereof, and the internal thread of the threaded sleeve is adapted to the external thread of the threaded rod.

[0050] In addition, the drilling and tapping method is suitable for adding threads to the formed cement pole. The pre-embedding metal threaded sleeve and the drilling and tapping operation method belong to the prior art, which will not be described herein.

[0051] Please refer to Figures 1-3 As shown, in this embodiment, the mounting sleeve 201 and the utility pole 10 are fixed by threaded nails. In this embodiment, the number of threaded nails is 4, and the annular array is arranged on the side of the utility pole 10 with the center axis of the utility pole 10 as the center. Obviously, the number of threaded nails can be determined according to actual needs in order to better fix the mounting sleeve 201.

[0052] It should be noted that the fixing method between the mounting sleeve 201 and the utility pole 10 described above is not unique, for example, a hoop can be used for fixation. Specifically, the hoop can be composed of two half-round stainless steel plates, and the hoop is tightly held on the outside of the mounting sleeve 201 by fasteners 30 similar to bolts and nuts, so as to fix the mounting sleeve 201 on the utility pole 10. This fixing method has the advantages of convenient installation and disassembly, and is convenient for later maintenance and adjustment.

[0053] Please refer to Figures 1-3 As shown, the lower part of the utility pole 10 is provided with a communication equipment interface and / or an optical cable 40 joint box at a distance of 1.5-2.0 meters from the ground, which is used for the optical cable 40 and external communication.

[0054] Specifically, the cable joint box is a device for connecting two or more optical cables 40, protecting the joint of the optical cable 40 from the environment, and ensuring stable signal transmission. On the telegraph pole 10, it is used to splice different sections of the optical cable 40, providing sealing, mechanical protection and optical performance for fiber connection, reducing signal loss and improving communication reliability. It is generally composed of a shell, internal components (such as an optical fiber fusion tray, a storage tray, etc.), sealing materials, etc. The shell must have good mechanical strength and water, dust and corrosion resistance; the internal components are used to fix and protect the optical fiber joint, facilitate optical fiber fusion and storage; the sealing material ensures the sealing of the joint box to prevent water vapor and dust from entering.

[0055] The communication device interface is a component that connects the communication device and the optical cable, and realizes the transmission and interaction of signals. It is used to realize the connection between the optical cable 40 and the external communication device (such as a switch, a router, etc.), so that the communication signal can be transmitted between the optical cable 40 and the device, and the interconnection of the communication network is ensured.

[0056] The utility model provides a telegraph pole convenient for erecting optical cable ground wire, through Y type insulator 204 of erecting structure 20 upper part erects fixed power line and OPGW optical cable, not only can be used as communication optical cable transmission signal, still can through core pole 202 introduce thunder and lightning into the ground, has the lightning protection function guaranteeing line safety. Meanwhile through OPGW optical cable still can transmit the signal in DTU cabinet to distribution network dispatching end, convenient for operator real -time viewing, effectively promoted operation efficiency, provided strong support for stable operation and efficient management of power system.

[0057] The above is a specific implementation method of the embodiments of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the application.

Claims

1. A utility pole that facilitates grounding of fiber optic cable, characterized by, The utility model relates to a kind of electric pole and erection structure, and the utility model discloses the following technical scheme: Electric pole (10) and erection structure (20) sleeved on the electric pole (10); The erection structure (20) includes: Mounting sleeve (201) for sleeving and fixing on the upper portion of the electric pole (10), the mounting sleeve (201) is a barrel with one end opening; Core rod (202) for erecting optical cable (40) and leading lightning to underground, the core rod (202) includes fixed rod (2022) inside the mounting sleeve (201) and mounting rod (2021) connected with the fixed rod (2022) outside the mounting sleeve (201); The fixed rod (2022) is movably vertically fixed inside the electric pole (10), and the central axis of the core rod (202) coincides with the central axis of the electric pole (10); Cap insulator (203) is sleeved on the mounting rod (2021) in the axial direction of the mounting rod (2021); Y-type insulator (204) for erecting and fixing optical cable (40), the Y-type insulator (204) is fixed at the end of the cap insulator (203) away from the mounting sleeve (201).

2. The utility pole facilitating grounding of optical cables of claim 1, wherein, The fixed rod (2022) is a threaded rod, and the electric pole (10) is provided with internal threads matched with the threaded rod in the axial direction.

3. The utility pole facilitating grounding of optical cables of claim 2, wherein, The upper portion of the electric pole (10) is provided with a threaded sleeve in the axial direction, and the internal threads of the threaded sleeve are adapted to the external threads of the threaded rod.

4. The utility pole facilitating grounding of optical cables of claim 1, wherein, The electric pole (10) further includes fastener (30), the fastener (30) is threaded nail, and the mounting sleeve (201) is fixed with the electric pole (10) by the threaded nail.

5. The utility pole facilitating grounding of optical cables of claim 4, wherein, The number of threaded nails is four.

6. The utility pole facilitating grounding of optical cables of any of claims 1-5, wherein, The lower portion of the electric pole (10) is provided with communication equipment interface and / or optical cable joint box at a distance of 1.5-2.0 meters from the ground, for optical cable (40) and external communication.

7. The utility pole facilitating grounding of optical cable according to claim 6, wherein, The cap insulator (203) and the Y-type insulator (204) are both ceramic materials.

8. The utility pole facilitating grounding of optical cables of claim 6, wherein, The optical cable (40) is OPGW optical cable, and the electric pole (10) is a cement pole.

9. The utility pole facilitating grounding of optical cables of claim 6, wherein, The core rod (202) and the mounting sleeve (201) are both stainless steel materials.

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