Wire spacer for phase-to-ground spacer
By setting up anti-rust mechanisms and buffer cylinders in the phase-to-ground spacer rods, the problems of uneven force and bolt corrosion on the split conductors under natural conditions are solved, achieving efficient and safe high-altitude operations and extending service life.
Patent Information
- Application Number
- CN202422890322.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-26
AI Technical Summary
In the prior art, split conductors are prone to stringing and twisting under natural conditions, resulting in uneven force on each sub-rod of the spacer rod, shortening the service life, and the bolts are prone to rust, increasing the difficulty and danger of high-altitude operations.
A phase-to-ground spacer is used, including a fixing ring and a buffer cylinder, and an anti-rust mechanism is set. Irregular wind force is used to drive the connecting ring to squeeze the airbag, keeping the enclosed space close to vacuum and preventing bolt rust. At the same time, the hydraulic oil in the buffer cylinder slows down the movement, protecting the clamping block and wire and extending the service life.
It effectively prevents bolts from rusting, shortens regular replacement time, improves the safety and efficiency of aerial work, and extends the service life of spacers.
Smart Images
Figure CN223487820U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power transmission line technology, and in particular to a conductor spacer for phase-to-ground spacers. Background Technology
[0002] Split conductors are used for the transmission of electrical energy in high-voltage transmission lines. Spacers, as auxiliary hardware of split conductors, are mainly used to prevent cross-conduction between sub-conductors, suppress aerobatic vibrations, and suppress secondary span oscillations. The proper use of spacers is related to the safe operation of transmission lines.
[0003] Due to the influence of wind and other forces under natural conditions, conductors are prone to cross-conduction and twisting, resulting in uneven stress on the various sub-bars of the spacer. This causes damage to the insulators and spacers, reducing the service life of the spacers. Furthermore, under the influence of wind and rain, the bolts of the spacers are prone to corrosion. When the spacers are disassembled and replaced regularly, the corroded bolts greatly increase the difficulty of disassembly for workers, causing them to be suspended in the air for extended periods, affecting the safety of workers working at heights, and reducing their work efficiency. Utility Model Content
[0004] The purpose of this utility model is to solve the following shortcomings in the existing technology: under natural conditions such as wind force, conductors are prone to cross-movement and twisting, causing uneven stress on the various sub-bars of the spacer, resulting in damage to the insulator and spacer, reducing the service life of the spacer, and under the action of wind and rain, the bolts of the spacer are prone to corrosion. When the spacer is disassembled and replaced regularly, the corroded bolts will greatly increase the difficulty of disassembly for workers, causing workers to be suspended in the air for a long time, affecting the safety of workers working at height, and reducing the work efficiency of workers. Therefore, a conductor spacer for phase-to-ground spacers is proposed.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A conductor spacer for phase-to-ground spacers includes a fixing ring and buffer cylinders, wherein a plurality of the buffer cylinders are respectively hinged at the four corners of the fixing ring;
[0007] The buffer cylinder is equipped with a rust-prevention mechanism, which includes a sliding rod, a mounting plate, a clamping block, a fixing cylinder, a fixing tube, and an airbag. The sliding rod is slidably connected to the side wall of the buffer cylinder. The mounting plate is fixedly connected to the end of the sliding rod away from the buffer cylinder. The clamping block is fixedly connected to the end of the mounting plate away from the sliding rod. The fixing cylinder is fixedly connected to the inner side wall of the mounting plate. The fixing tube is fixedly connected to the lower end face of the clamping block. The airbag is fixedly connected to the side wall of the buffer cylinder near the mounting plate.
[0008] Preferably, the rust prevention mechanism further includes a fixed base, a rotating rod, and a sealing cover. The fixed base is fixedly connected to the side wall of the fixed pipe, the rotating rod is rotatably connected to the inner side wall of the fixed base, and the sealing cover is fixedly connected to the rotating rod.
[0009] Preferably, a buffer plate is fixedly connected to one end of the slide rod near the buffer cylinder, the buffer plate is slidably connected to the inner side wall of the buffer cylinder, and multiple through holes are provided on the side wall of the buffer plate.
[0010] Preferably, an air inlet pipe is fixedly connected between the airbag and the fixed tube, and an air outlet pipe is fixedly connected to the airbag. Both the air inlet pipe and the air outlet pipe are equipped with a one-way valve.
[0011] Preferably, a connecting ring is fixedly connected to the outer surface of the slide rod, a fixing bolt is threadedly connected to the fixing cylinder, the fixing bolt is threadedly connected to the fixing pipe, and a sealing gasket is provided at the end of the fixing cylinder adjacent to the fixing pipe.
[0012] Preferably, a buffer spring is fixedly connected between the connecting ring and the buffer cylinder, and a torsion spring is fixedly connected between the fixed seat and the sealing cover.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. By using a fixed cylinder, a fixed tube, and a sealing plug, the fixing bolts are placed in a closed space. Irregular wind forces drive the connecting ring to squeeze the airbag, continuously drawing out the air from the sealed space to maintain a near-vacuum. This prevents external wind and rain from corroding the fixing bolts, shortening disassembly time during periodic replacement operations, ensuring operational efficiency, and improving operational safety.
[0015] 2. The hydraulic oil in the buffer cylinder flows through the through holes in the buffer plate, slowing down the movement of the buffer plate. The slide rod drives the connecting ring to stretch or compress the buffer spring, which buffers the clamping block, avoids damage to the clamping block and the wire, and extends the service life of the spacer. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the sliding rod structure of a conductor spacer for a phase-to-ground spacer proposed in this utility model;
[0017] Figure 2 This is a schematic diagram of the connecting ring structure of a conductor spacer for a phase-to-ground spacer proposed in this utility model;
[0018] Figure 3 This is a schematic diagram of the clamping block structure of a conductor spacer for a phase-to-ground spacer proposed in this utility model.
[0019] Figure 4 for Figure 3 A magnified view of part A in the image;
[0020] Figure 5 This is a schematic diagram of the fixing cylinder structure of a conductor spacer for a phase-to-ground spacer proposed in this utility model.
[0021] In the diagram: 1. Fixing ring, 2. Buffer cylinder, 3. Slide rod, 4. Mounting plate, 5. Clamping block, 6. Fixing cylinder, 7. Fixing pipe, 8. Airbag, 9. Fixing seat, 10. Rotating rod, 11. Sealing cover, 12. Buffer plate, 13. Inlet pipe, 14. Outlet pipe, 15. Connecting ring, 16. Fixing bolt, 17. Buffer spring, 18. Torsion spring. Detailed Implementation
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0023] The terms used in this utility model, such as "upper", "lower", "left", "right", "middle" and "one", are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.
[0024] Reference Figures 1-5 A conductor spacer for phase-to-ground spacers includes a fixing ring 1 and a buffer cylinder 2, with multiple buffer cylinders 2 respectively hinged at the four corners of the fixing ring 1.
[0025] A rust-prevention mechanism is installed on the buffer cylinder 2. This mechanism includes a sliding rod 3, a mounting plate 4, a clamping block 5, a fixing cylinder 6, a fixing tube 7, and an airbag 8. The sliding rod 3 is slidably and sealed to the side wall of the buffer cylinder 2. The mounting plate 4 is fixedly connected to the end of the sliding rod 3 away from the buffer cylinder 2. The clamping block 5 is fixedly connected to the end of the mounting plate 4 away from the sliding rod 3. The clamping block 5 consists of two identical half-clamping blocks 5, and a rubber pad is provided on the inner side wall of the clamping block 5. The fixing cylinder 6 is fixedly connected to the inner side wall of the mounting plate 4, and the fixing tube 7 is fixedly... The fixed connection is attached to the lower end face of the clamping block 5. The fixed pipe 7 and the fixed cylinder 6 are on the same horizontal line. The airbag 8 is fixedly connected to the side wall of the buffer cylinder 2 near the mounting plate 4. An air inlet pipe 13 is fixedly connected between the airbag 8 and the fixed pipe 7. An air outlet pipe 14 is fixedly connected to the airbag 8. A one-way valve is provided in both the air inlet pipe 13 and the air outlet pipe 14. The flow direction of the one-way valve in the air inlet pipe 13 is from the fixed pipe 7 and the fixed cylinder 6 to the airbag 8. The flow direction of the one-way valve in the air outlet pipe 14 is from the airbag 8 to the outside.
[0026] The rust prevention mechanism also includes a fixed base 9, a rotating rod 10, and a sealing cover 11. The fixed base 9 is fixedly connected to the side wall of the fixed pipe 7, the rotating rod 10 is rotatably connected to the inner side wall of the fixed base 9, and the sealing cover 11 is fixedly connected to the rotating rod 10. A torsion spring 18 is fixedly connected between the fixed base 9 and the sealing cover 11. When installation is required, the sealing cover 11 is moved to drive the rotating rod 10 to rotate and compress the torsion spring 18. The fixing bolt 16 is turned to separate the fixed cylinder 6 from the fixed pipe 7, the two half clamps 5 are separated, the high-voltage wire is passed through, and then the fixing bolt 16 is tightened. Under the action of the torsion spring 18, the sealing cover 11 is reset and seals the fixed pipe 7.
[0027] A buffer plate 12 is fixedly connected to one end of the slide rod 3 near the buffer cylinder 2. The buffer plate 12 is slidably connected to the inner wall of the buffer cylinder 2. The buffer cylinder 2 is filled with hydraulic oil. Multiple through holes are opened on the side wall of the buffer plate 12. The hydraulic oil passing through the through holes will slow down the movement of the buffer plate 12. A connecting ring 15 is fixedly connected to the outer surface of the slide rod 3. A buffer spring 17 is fixedly connected between the connecting ring 15 and the buffer cylinder 2. A fixing bolt 16 is threadedly connected to the fixing cylinder 6. The fixing bolt 16 is threadedly connected to the fixing pipe 7. A sealing gasket is provided at the adjacent end of the fixing cylinder 6 and the fixing pipe 7. The sealing gasket seals the space between the fixing cylinder 6 and the fixing pipe 7.
[0028] In this utility model, when the fixed ring 1 is affected by wind, the fixed ring 1 will move in a certain direction. At this time, the slide rod 3 will drive the buffer plate 12 to slide inside the buffer cylinder 2. The hydraulic oil in the buffer cylinder 2 will pass through the through hole on the buffer plate 12 to slow down the movement of the buffer plate 12. The slide rod 3 drives the connecting ring 15 to stretch or compress the buffer spring 17 to buffer the clamping block 5, avoid damage to the clamping block 5 and the wire, and extend the service life of the spacer.
[0029] When the connecting ring 15 approaches the airbag 8, it compresses the airbag 8, creating positive pressure inside. Under this pressure, the one-way valve in the inlet pipe 13 closes, and the one-way valve in the outlet pipe 14 opens, allowing air and moisture inside the airbag 8 to escape to the outside through the outlet pipe 14. When the connecting ring 15 moves away from the airbag 8, the compressive force on the airbag 8 disappears, and the airbag 8 returns to its original position under its own elasticity, creating negative pressure inside. Under this pressure, the one-way valve in the inlet pipe 13 opens, and the one-way valve in the outlet pipe 14 closes, allowing air and water inside the fixed cylinder 6 and fixed pipe 7 to escape through the inlet pipe 14. 3. As the fixing ring 1 is subjected to irregular wind force, the moisture and air in the multiple fixing cylinders 6 and fixing tubes 7 are continuously discharged to the outside. When the fixing cylinders 6 and fixing tubes 7 are close to a vacuum, the airbag 8 will no longer reset and will remain in a deflated state until rainwater and air slowly seep in, thus preventing the fixing bolts 16 from being corroded by air and rainwater. When it is necessary to disassemble it, simply open the sealing cover 11 to disassemble the fixing bolts 16. This shortens the disassembly time during regular replacement operations, ensures operational efficiency, and improves operational safety.
[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "linking", "fixing", etc., should be interpreted broadly.
[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A conductor spacer for use as a phase-to-ground spacer, comprising a fixing ring (1) and a buffer cylinder (2), characterized in that, The multiple buffer cylinders (2) are respectively hinged at the four corners of the fixed ring (1); The buffer cylinder (2) is provided with a rust prevention mechanism, which includes a slide rod (3), a mounting plate (4), a clamping block (5), a fixing cylinder (6), a fixing tube (7), and an airbag (8). The slide rod (3) is slidably connected to the side wall of the buffer cylinder (2). The mounting plate (4) is fixedly connected to the end of the slide rod (3) away from the buffer cylinder (2). The clamping block (5) is fixedly connected to the end of the mounting plate (4) away from the slide rod (3). The fixing cylinder (6) is fixedly connected to the inner side wall of the mounting plate (4). The fixing tube (7) is fixedly connected to the lower end face of the clamping block (5). The airbag (8) is fixedly connected to the side wall of the buffer cylinder (2) near the mounting plate (4).
2. The conductor spacer for a phase-to-ground spacer according to claim 1, characterized in that... The rust prevention mechanism also includes a fixed seat (9), a rotating rod (10), and a sealing cover (11). The fixed seat (9) is fixedly connected to the side wall of the fixed tube (7), the rotating rod (10) is rotatably connected to the inner side wall of the fixed seat (9), and the sealing cover (11) is fixedly connected to the rotating rod (10).
3. The conductor spacer for a phase-to-ground spacer according to claim 1, characterized in that, The slide rod (3) is fixedly connected to a buffer plate (12) at one end near the buffer cylinder (2). The buffer plate (12) is slidably connected to the inner wall of the buffer cylinder (2). Multiple through holes are provided on the side wall of the buffer plate (12).
4. A conductor spacer for a phase-to-ground spacer according to claim 1, characterized in that, An air inlet pipe (13) is fixedly connected between the airbag (8) and the fixed tube (7), and an air outlet pipe (14) is fixedly connected to the airbag (8). A one-way valve is provided in both the air inlet pipe (13) and the air outlet pipe (14).
5. A conductor spacer for a phase-to-ground spacer according to claim 2, characterized in that, A connecting ring (15) is fixedly connected to the outer surface of the slide rod (3), and a fixing bolt (16) is threadedly connected to the fixing cylinder (6). The fixing bolt (16) is threadedly connected to the fixing tube (7), and a sealing gasket is provided at the adjacent end of the fixing cylinder (6) and the fixing tube (7).
6. A conductor spacer for a phase-to-ground spacer according to claim 5, characterized in that, A buffer spring (17) is fixedly connected between the connecting ring (15) and the buffer cylinder (2), and a torsion spring (18) is fixedly connected between the fixed seat (9) and the sealing cover (11).