CN212392645U - Overhead transmission line galloping suppression device - Google Patents
Overhead transmission line galloping suppression device Download PDFInfo
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- CN212392645U CN212392645U CN202020908229.6U CN202020908229U CN212392645U CN 212392645 U CN212392645 U CN 212392645U CN 202020908229 U CN202020908229 U CN 202020908229U CN 212392645 U CN212392645 U CN 212392645U
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- pulley
- insulating rope
- movable pulley
- transmission line
- rope
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Abstract
The utility model relates to an electric power protective equipment specifically is an overhead transmission line galloping suppression device, including the wire, the bracing piece, loose pulley assembly, the balancing weight, synthetic insulator, main insulating rope and bearing insulating rope, the bracing piece slope is buried underground subaerial, the fixed pulley is established in the movable pulley top, the fixed pulley is connected on the bracing piece, main insulating rope connects on the wire, main insulating rope both ends are connected with two synthetic insulators respectively, bearing insulating rope one end is connected in the movable pulley upper end, the bearing insulating rope other end is walked around behind fixed pulley and the movable pulley in proper order and is connected at one of them synthetic insulator lower extreme, the balancing weight is connected at the movable pulley lower extreme, the utility model discloses use nimble reliable, reasonable in design utilizes to draw the mode of dragging to restrain the circuit and gallows, guarantees transmission line safe operation. And the pulling device is not needed to be arranged at the two ends of the line, and the line can be pulled at any position of the power transmission line.
Description
Technical Field
The utility model relates to an electric power protective equipment specifically is an overhead transmission line suppression device that waves.
Background
The overhead power line is exposed in the field all the year round, is seriously influenced by geographical positions and environmental conditions, is easy to be waved by ice coating or strong wind, and can reduce the arc reduction amplitude of the power line to be increased even under the condition of not serious ice coating or non-strong wind, so that the line is easy to be waved and the safe operation of the line is damaged.
The prior art often adopts the method of arranging the weight pulling mechanisms at the two ends of the wire to improve the tension of the wire to inhibit the sagging and the waving of the wire, but the general length of a power line is large, and the method of arranging the weight pulling mechanisms at the two ends of the wire by adopting the prior art is not practicable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an overhead transmission line gallows suppression device utilizes to draw the mode of dragging and restrain the circuit galloping, nevertheless need not to arrange at the circuit both ends and draws the device of dragging, guarantees transmission line safe operation.
In order to solve the technical problem, the utility model relates to an overhead transmission line galloping inhibition device, which comprises a conducting wire, a supporting rod, a pulley component, a balancing weight, a synthetic insulator, a main insulating rope and a bearing insulating rope, wherein the supporting rod is obliquely embedded on the ground, the pulley component is connected on the supporting rod and comprises a fixed pulley and a movable pulley, the fixed pulley is arranged above the movable pulley, the fixed pulley is connected on the supporting rod, the main insulating rope is wound on the conducting wire, two synthetic insulators are respectively connected at two ends of the main insulating rope, one end of the bearing insulating rope is connected at the upper end of the movable pulley, the other end of the bearing insulating rope is connected at the lower end of one of the synthetic insulators after sequentially winding the fixed pulley and the movable pulley, the balancing weight is connected at the lower end of the movable pulley, the lower end of the other synthetic insulator is connected, the ground anchor is buried on the ground. The support rod provides the support for loose pulley assembly and balancing weight, utilize balancing weight and loose pulley assembly taut with the insulating rope of bearing, the insulating rope of bearing is taut with the wire to restrain the galloping that the wire produced, guarantee transmission line safe operation, loose pulley assembly plays the effect of bearing and switching-over, can effectively reduce the height of bracing piece, the installation of being convenient for the construction, the balancing weight can be made according to actual conditions optional cast iron material or concrete, the balancing weight is polylith integrated configuration, single block weight is suitable in 50kg-100 kg. During actual construction, a pit can be dug on the ground below the balancing weight to increase the effective height of the supporting rod, and the pit depth is converted into the moving height of the movable pulley according to the actual terrain condition and the amplitude of the sag descending of the tension of the wire to carry out accounting and keep corresponding margin. In addition, the length of the bearing insulating rope should be greater than three times of the moving distance of the balancing weight, and the requirement of safety factor is met. The height of the supporting rod is a fixed value, generally eight meters, and the number of the counterweight blocks and the pit depth can be flexibly adjusted according to different field terrains and different wire tension values so as to meet the wire galloping inhibition under the multi-terrain condition. The main insulating rope pulls the wire together with the bearing insulating rope, and the effect of inhibiting the circuit from waving is further improved. The device should be retrofitted prior to the ice coating session. After the ice coating is ablated, in order to avoid the phenomenon that the insulating property of the rope is reduced due to factors such as wetting of the main insulating rope and the like and influence the operation safety, the power grid foreign matter laser clearing device can be used for blowing treatment near the contact point of the main insulating rope and the lead. The dropping process of the composite insulator is controlled by the insulating rod with the corresponding voltage grade and above, and the insulator is prevented from being broken or the umbrella skirt is prevented from being damaged due to collision. The main insulating rope is hung and established and can use unmanned aerial vehicle to jettison and accomplish.
Furthermore, the bracing piece on be connected with the coaster support, coaster leg joint is in the fixed pulley top, coaster support front end is connected with guide pulley, insulating rope movable pulley of bearing and wire between one section connect on guide pulley. The pulley support provides the direction support for the insulating rope of bearing, still changes the insulating rope of bearing of line simultaneously and draws the direction of dragging, avoids the insulating rope of bearing to draw and draws the too big influence of angle and use, has improved flexibility and stability.
Furthermore, bracing piece upper portion be connected with the staple bolt, the fixed pulley upper end be connected with couple I, couple I is connected.
Furthermore, a limiting steel rope is connected between the movable pulley and the support rod, the lower portion of the support rod is connected with a hoop, and the limiting steel rope is connected to the hoop. The limiting steel rope prevents the balancing weight from greatly rising due to overlarge tension of the wire and colliding with parts such as the supporting rod or the hoop.
Further, both ends all are connected with couple II about the movable pulley, balancing weight upper end be equipped with couple III, the insulating rope of bearing is connected on couple II of movable pulley upper end, couple III is connected on couple II of movable pulley lower extreme. The connection among all the parts is convenient by adopting a hook connection mode.
Furthermore, the support rod is connected with a stay wire, one end of the stay wire is connected to the hoop on the upper portion of the support rod, the other end of the stay wire is connected with a ground anchor, and the ground anchor is buried underground on the ground.
Furthermore, the stay wires are arranged in a plurality of numbers, the stay wires are evenly distributed on the circumference by taking the support rod as the center, and each stay wire is connected with a ground anchor. The bracing rods are reinforced by the arrangement of the stay wires and the ground anchors, the strength of the ground anchors is selected according to the construction conditions such as soil conditions, burying places, burying depths and the like, and the ground penetrating angles of the ground anchors are controlled to be 45-60 degrees. The oblique and positive tensile resistance after the ground anchor is buried can meet the requirement of wire accounting tension.
The utility model has the advantages that: the utility model discloses a wire, bracing piece, loose pulley assembly, balancing weight, synthetic insulator, main insulating rope and bearing insulating rope, the bracing piece slope is buried underground, loose pulley assembly connects on the bracing piece, loose pulley assembly includes fixed pulley and movable pulley, the fixed pulley is established above the movable pulley, the fixed pulley is connected on the bracing piece, main insulating rope connects on the wire, main insulating rope both ends are connected with two synthetic insulators respectively, bearing insulating rope one end is connected in the upper end of movable pulley, the other end of bearing insulating rope walks around fixed pulley and movable pulley in proper order and connects in one of them synthetic insulator lower extreme, the balancing weight is connected at the movable pulley lower extreme, another synthetic insulator lower extreme is connected with the UT fastener, UT fastener lower extreme is connected with wire rope, the wire rope lower extreme is connected with the earth anchor, the earth anchor is buried underground, the utility model is flexible and reliable to use, reasonable in design, utilize, the safe operation of the power transmission line is ensured, and the line can be pulled at any position of the power transmission line without arranging pulling devices at two ends of the line.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the pulley assembly and pulley bracket of the present invention.
In the figure: 1. a ground anchor; 2. a pull wire; 3. a support bar; 4. a sheave assembly; 401. a fixed pulley; 402. a hook I; 403. a movable pulley; 404. a hook II is hooked; 404. a hook II is hooked; 5. a balancing weight; 501. a hook III; 6. a pulley support; 601. a guide pulley; 7. hooping; 8. synthesizing an insulator; 9. a wire rope; 10. a primary insulating rope; the UT wire clamp; 12. a limiting steel rope; 13. a load-bearing insulating rope; 14. and (4) conducting wires.
Detailed Description
As shown in fig. 1 and 2, the utility model relates to an overhead transmission line galloping suppression device, which comprises a wire 14, a support rod 3, a pulley component 4, a balancing weight 5, a synthetic insulator 8, a main insulating rope 10 and a bearing insulating rope 13, wherein the support rod 3 is obliquely embedded on the ground, the pulley component 4 is connected to the support rod 3, the pulley component 4 comprises a fixed pulley 401 and a movable pulley 403, the fixed pulley 401 is arranged above the movable pulley 403, the fixed pulley 401 is connected to the support rod 3, the main insulating rope 10 is wound on the wire 14, two ends of the main insulating rope 10 are respectively connected with two synthetic insulators 8, one end of the bearing insulating rope 13 is connected to the upper end of the movable pulley 403, the other end of the bearing insulating rope 13 is connected to the lower end of one of the synthetic insulators 8 after sequentially passing over the fixed pulley 401 and the movable pulley 403, the balancing weight 5 is connected to the lower end of the movable pulley 403, the lower end, the lower end of the UT wire clamp 11 is connected with a steel wire rope 9, the lower end of the steel wire rope 9 is connected with a ground anchor 1, and the ground anchor 1 is buried on the ground.
The support rod 3 on be connected with coaster support 6, coaster support 6 is connected in fixed pulley 401 top, coaster support 6 front end is connected with guide pulley 601, insulating rope 13 movable pulley 403 of bearing and wire 14 between one section be connected on guide pulley 601.
The upper portion of the supporting rod 3 is connected with a hoop 7, the upper end of the fixed pulley 401 is connected with a hook I402, and the hook I402 is connected.
A limiting steel rope 12 is connected between the movable pulley 403 and the support rod 3, the lower part of the support rod 3 is connected with a hoop 7, and the limiting steel rope 12 is connected to the hoop 7.
The upper end and the lower end of the movable pulley 403 are both connected with a hook II 404, the upper end of the balancing weight 5 is provided with a hook III 501, the bearing insulating rope 13 is connected to the hook II 404 at the upper end of the movable pulley 403, and the hook III 501 is connected to the hook II 404 at the lower end of the movable pulley 403.
The support rod 3 on still be connected with 2 acting as go-between, 2 acting as go-between one end is connected on staple bolt 7 on support rod 3 upper portion, 2 other ends acting as go-between are connected with earth anchor 1, earth anchor 1 buries underground subaerial.
The stay wires 2 are provided with a plurality of stay wires 2, the stay wires 2 are uniformly distributed around the support rod 3 as the center, and each stay wire 2 is connected with a ground anchor 1.
The support rod 3 provides support for pulley assembly 4 and balancing weight 5, utilize balancing weight 5 and pulley assembly 4 taut with insulating rope 13 of bearing, insulating rope 13 of bearing is taut with wire 14, thereby restrain the galloping that the wire produced, guarantee transmission line safe operation, pulley assembly 4 plays the effect of bearing and switching-over, can effectively reduce the height of support rod 3, the installation of facilitating the construction, balancing weight 5 can be made according to actual conditions optional cast iron material or concrete, balancing weight 5 is polylith integrated configuration, monolithic weight is suitable in 50kg-100 kg. During actual construction, a pit can be dug on the ground below the counterweight 5 to increase the effective height of the support rod 3, and the depth is converted into the moving height of the movable pulley 403 for accounting according to the actual terrain condition and the amplitude of the sag reduction of the tension on the wire 14, and corresponding margin is reserved. In addition, the length of the bearing insulating rope should be greater than three times of the moving distance of the balancing weight, and the requirement of safety factor is met. The height of the supporting rod 3 is a fixed value, generally eight meters, and the number of the balancing weights 5 and the pit depth can be flexibly adjusted according to different field terrains and tension values of the wires 14 so as to meet the wire galloping inhibition under the multi-terrain condition. Tackle bracket 6 provides the direction for bearing insulating rope 13 and supports, still changes the insulating rope 13 of bearing of line simultaneously and draws the direction of dragging, avoids bearing insulating rope 13 to draw the too big influence of angle and use, has improved flexibility and stability. The synthetic insulator 8 should be selected according to the voltage grade of the power transmission line, and the synthetic insulator 8 has better tensile strength and hydrophobic performance and is matched with an end connector with proper tonnage, so that the integral installation and use are convenient. The limiting steel rope 12 prevents the counterweight 5 from greatly rising due to the overlarge tension of the wire 14 and colliding with the support rod 3 or the hoop 7 and other parts. The connection among all the parts is convenient by adopting a hook connection mode. The stay wire 2 and the ground anchor 1 are arranged to enhance the strength of the support rod 3, the strength of the ground anchor 1 is selected according to the construction conditions such as soil texture, burying place, burying depth and the like, and the ground penetrating angle of the ground anchor 1 is controlled to be 45-60 degrees. The oblique and positive tensile resistance after the ground anchor is buried can meet the requirement of wire accounting tension. The main insulating rope 10 pulls the wire 14 together with the load-bearing insulating rope 13, and the effect of suppressing the waving of the ice-coated line is further improved. The device should be retrofitted prior to the ice coating session. After ice coating ablation, in order to avoid the phenomenon that the insulating property of the rope is reduced due to factors such as wetting of the main insulating rope 10 or the bearing insulating rope 13 and the like and the influence on the operation safety, the power grid foreign matter laser clearing device can be used for conducting blowing treatment near the contact point of the main insulating rope 10 or the bearing insulating rope 13 and a lead. The dropping process of the composite insulator 8 is controlled by the insulating rod with the corresponding voltage grade and above, and the insulator is prevented from being broken or the umbrella skirt is prevented from being damaged due to collision. The main insulating rope 10 and the hanging of the bearing insulating rope 13 can be finished by throwing by using an unmanned aerial vehicle.
Claims (7)
1. The utility model provides an overhead transmission line galloping suppression device which characterized in that: comprises a lead (14), a support rod (3), a pulley component (4), a balancing weight (5), a synthetic insulator (8), a main insulating rope (10) and a bearing insulating rope (13), wherein the support rod (3) is obliquely buried on the ground, the pulley component (4) is connected on the support rod (3), the pulley component (4) comprises a fixed pulley (401) and a movable pulley (403), the fixed pulley (401) is arranged above the movable pulley (403), the fixed pulley (401) is connected on the support rod (3), the main insulating rope (10) is wound on the lead (14), two ends of the main insulating rope (10) are respectively connected with two synthetic insulators (8), one end of the bearing insulating rope (13) is connected at the upper end of the movable pulley (403), the other end of the bearing insulating rope (13) is connected at the lower end of one of the synthetic insulator (8) after sequentially winding the fixed pulley (401) and the movable pulley (403), the balancing weight (5) is connected to the lower end of the movable pulley (403), the lower end of the other composite insulator (8) is connected with the UT wire clamp (11), the lower end of the UT wire clamp (11) is connected with the steel wire rope (9), the lower end of the steel wire rope (9) is connected with the ground anchor (1), and the ground anchor (1) is buried underground on the ground.
2. The overhead transmission line galloping suppression device of claim 1, wherein: bracing piece (3) on be connected with coaster support (6), coaster support (6) are connected in fixed pulley (401) top, coaster support (6) front end is connected with guide pulley (601), insulating rope of bearing (13) movable pulley (403) and wire (14) between one section connect on guide pulley (601).
3. The overhead transmission line galloping suppression device of claim 2, wherein: the upper portion of the supporting rod (3) is connected with a hoop (7), the upper end of the fixed pulley (401) is connected with a hook I (402), and the hook I (402) is connected to the hoop (7).
4. The overhead transmission line galloping suppression device of claim 3, wherein: the movable pulley (403) and the support rod (3) are connected with a limiting steel rope (12), the lower portion of the support rod (3) is connected with a hoop (7), and the limiting steel rope (12) is connected to the hoop (7).
5. The overhead transmission line galloping suppression device of claim 4, wherein: both ends all are connected with couple II (404) about movable pulley (403), balancing weight (5) upper end be equipped with couple III (501), couple II (404) of bearing insulating rope (13) connection on movable pulley (403) upper end, couple III (501) are connected on couple II (404) of movable pulley (403) lower extreme.
6. The overhead transmission line galloping suppression device of claim 5, wherein: the support rod (3) on still be connected with acting as go-between (2), act as go-between (2) one end is connected on staple bolt (7) on support rod (3) upper portion, the other end of acting as go-between (2) is connected with earth anchor (1), earth anchor (1) buries underground subaerial.
7. The overhead transmission line galloping suppression device of claim 6, wherein: the stay wire (2) be equipped with a plurality ofly, a plurality of stay wires (2) use bracing piece (3) as central circumference equipartition, all be connected with earth anchor (1) on every stay wire (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908229.6U CN212392645U (en) | 2020-05-26 | 2020-05-26 | Overhead transmission line galloping suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908229.6U CN212392645U (en) | 2020-05-26 | 2020-05-26 | Overhead transmission line galloping suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212392645U true CN212392645U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020908229.6U Active CN212392645U (en) | 2020-05-26 | 2020-05-26 | Overhead transmission line galloping suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212392645U (en) |
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2020
- 2020-05-26 CN CN202020908229.6U patent/CN212392645U/en active Active
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