CN213661152U - Friction energy dissipation anti-galloping damping spacer - Google Patents
Friction energy dissipation anti-galloping damping spacer Download PDFInfo
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- CN213661152U CN213661152U CN202022340453.2U CN202022340453U CN213661152U CN 213661152 U CN213661152 U CN 213661152U CN 202022340453 U CN202022340453 U CN 202022340453U CN 213661152 U CN213661152 U CN 213661152U
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Abstract
The utility model discloses a friction energy-consuming anti-galloping damping spacer, which comprises a fixed frame and a plurality of buffering arms which are rotatably connected outside the fixed frame, wherein one end of each buffering arm, which is back to the fixed frame, is provided with a wire clamp; the first friction assembly comprises a dynamic friction cylinder arranged on the buffering arm and a static friction plate arranged on the fixed frame, and the static friction plate is matched with and rubs two ends of the dynamic friction cylinder; on one hand, the utility model absorbs the energy transmitted from the buffer arm through the compression deformation through the recovery component, thereby realizing the vibration damping effect; on the other hand, the energy of the buffering arm is consumed through the friction motion of the first friction group and the second friction group on the energy consumption assembly, so that the energy of the buffering arm is reduced, and the galloping of the power transmission line is effectively reduced.
Description
Technical Field
The utility model relates to an ultra-high voltage transmission line safety protection technical field, in particular to friction power consumption prevent waving damping conductor spacer.
Background
Vibration of an ultrahigh voltage transmission line is one of common overhead conductor phenomena, and in order to prevent mutual whiplash of split conductors, inhibit breeze vibration and sub-span vibration and ensure stable spacing between the conductors, a spacer needs to be installed on the conductors. The spacing rods are generally arranged in the middle of the span at intervals of 50-60 m. The split conductor is installed on the spacer, and compared with the vibration amplitude without the spacer, the vibration amplitude of the split conductor is reduced by 50%, and the vibration amplitude of the split conductor is reduced by 87% and 90%. However, the existing four-split conductor spacer has poor vibration damping effect, and has different waving phenomena in windy and snowy weather, so that the existing four-split conductor spacer still has great improvement space.
An anti-galloping spacer for an extra-high voltage transmission line has a notice number of CN 106877263B and a notice date of 2019.02.22, and the six-split spacer is taken as an example in the patent; six wires are provided with fixed points in six equal directions of the circumference, two fixed wire clamping arms at the upper part have the same structure and are connected with a splitting rod frame, the frame sequentially fixes a left upper wire clamping arm and a right upper wire clamping arm through a pin bolt, a left middle wire clamping arm and a right middle wire clamping arm are fixed at two sides of the middle part, a left lower wire clamping arm and a right lower wire clamping arm are fixed at the lower part, the 6 wire clamping arms are clamped in the middle by two identical frames and are fastened into a whole by a pin bolt, the wires at the left and right opposite sides of the multi-split wire are constrained by introducing a lever constraining mechanism, and then the lever connecting point adopts a rubber damping sleeve, so that the mutual influence of vibration is effectively reduced, the wire clamping arms at the left and right sides of the lower middle part are connected by adopting a lever, the vibration of the wires at one side is constrained by the vibration direction of the wires at the other. The above technical solution solves the problem of avoiding conductor waving, but is completely different from the solution in the present application.
The utility model relates to a six-split anti-galloping spacer, the number of announcement is CN 207868770U, the announcement day is 2018.09.14, it includes regular hexagon's outer mount and regular hexagon's inner mount, fix on outer mount and on inner mount prevent galloping fastener device, fix set up in "people's" font yoke plate on one side of outer mount and set up in the hammer pendulum of yoke plate lower part; all axes passing through the opposite corners of the inner fixing frame are coincident with all axes passing through the opposite sides of the outer fixing frame; the anti-galloping wire clamping device comprises a fixed slot fixed on the inner fixed frame and the outer fixed frame, a sliding wire clamping rod arranged in the fixed slot in a sliding mode, a first damping spring arranged between the fixed slot and the sliding wire clamping rod, a clamping sliding block arranged between the fixed slot and the sliding wire clamping rod and a second damping spring; the second damping spring is sleeved at the bottom of the sliding wire clamping rod and clamped between the clamping sliding block and the sliding wire clamping rod. Above-mentioned technical scheme has solved the problem of having avoided the wire to wave, but is totally different with the scheme in this application, and the effect that reaches also differs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical scheme who takes for solving above-mentioned problem is:
a friction energy-consumption anti-galloping damping spacer comprises a fixed frame and a plurality of buffering arms which are rotatably connected outside the fixed frame, wherein one ends of the buffering arms, which are back to the fixed frame, are provided with wire clamps; the first friction assembly comprises a dynamic friction cylinder arranged on the buffering arm and a static friction plate arranged on the fixed frame, and the static friction plate is matched with and rubs two ends of the dynamic friction cylinder.
Further, the fixed frame is a double-layer fixed frame.
Further, restore the subassembly including installing a plurality of extension springs between every buffering arm and double-deck fixed frame, the extension spring is located every buffering arm both sides to be connected with double-deck fixed frame's frame.
Furthermore, the fixed frame is hollow, each buffering arm penetrates through the rotary joint with the fixed frame along the length direction and extends into the fixed frame, and the restoring assembly comprises a connecting spring arranged at the extending end part of each adjacent buffering arm.
Furthermore, the energy dissipation assembly further comprises a second friction group, the second friction group comprises a second friction plate and a friction track matched with the second friction plate in friction contact, the fixed frame is hollow inside, each buffering arm penetrates through the rotating joint with the fixed frame along the length direction and extends into the fixed frame, the second friction plate is installed at the extending end of each buffering arm, and the friction track is installed in the fixed frame.
Further, the friction track is arc-shaped.
The utility model discloses the beneficial effect who has does:
the utility model has simple structure, when the high-voltage transmission line waves, the external force is transmitted to the buffering arm through the transmission line, on one hand, when the buffering arm rotates relative to the fixed frame, the restoring component absorbs the energy transmitted by the buffering arm through extrusion deformation, thereby realizing the vibration damping effect; on the other hand, the energy of the buffering arm is consumed through the friction motion of the first friction group and the second friction group on the energy consumption assembly, so that the energy of the buffering arm is reduced, and the vibration reduction and inhibition effects realized through the composite effect of the two aspects can effectively reduce the galloping of the power transmission line.
Drawings
FIG. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a schematic view of the installation of the tension spring structure in the embodiment 1;
FIG. 3 is a schematic view of the first friction pack structure of the embodiment 1;
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a schematic structural diagram of example 3;
fig. 6 is a schematic structural diagram 2 of embodiment 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Specific example 1:
as shown in fig. 1-3, a friction energy-consuming anti-galloping damping spacer comprises a fixed frame 2 and a plurality of buffering arms 1 rotatably connected outside the fixed frame 2, in this embodiment, for a four-split conductor, the fixed frame 2 is a double-layer fixed frame 2, the shape of the fixed frame is approximately square, four buffering arms 1 are equidistantly arranged on the outer periphery of the fixed frame 2, a conductor clamp 3 is arranged at one end of the buffering arm 1, which is back to the fixed frame 2, and a recovery assembly and an energy-consuming assembly are mounted on the buffering arm 1. When the high-voltage transmission line waves, external force is transmitted to the buffering arm 1 through the transmission line, the buffering arm 1 rotates relative to the double-layer fixed frame 2, the restoring assembly absorbs part of energy through deformation, and the other part of energy is consumed through the energy consumption assembly, so that the energy of the buffering arm 1 is reduced, the vibration reduction effect is realized, and meanwhile, the phenomenon of conductor waving is avoided.
As shown in fig. 1-3, in the present embodiment, the dissipative element comprises a first friction pack 4 mounted at the rotary connection of each damping arm 1 to the fixed frame 2; first friction group 4 spare is including installing the dynamic friction section of thick bamboo 41 on buffering arm 1 and installing the static friction piece 42 on fixed frame 2, and the static friction piece 42 rubs with the both ends cooperation of dynamic friction section of thick bamboo 41, and is preferred, in this embodiment, is equipped with the mounting hole on buffering arm 1, is equipped with the mating holes on the double-deck fixed frame 2, and the mounting hole passes through the round pin hub connection with the mating holes, and the dynamic friction section of thick bamboo 41 is installed in the mounting hole, and the static friction piece 42 is installed on the double-deck fixed frame 2 at dynamic friction section of thick bamboo 41 both.
As shown in fig. 1 to 3, in the present embodiment, in order to realize the restoration after the rotation of the buffering arm 1, the restoration assembly includes a plurality of tension springs 7 installed between each buffering arm 1 and the double-layered fixing frame 2, and the tension springs 7 are located at both sides of each buffering arm 1 and connected to the frame of the double-layered fixing frame 2. When the high-voltage transmission line waves, external force is transmitted to the buffering arm 1 through the transmission line, the buffering arm 1 rotates relative to the double-layer fixed frame 2, the buffering arm 1 can pull the tension spring 7 to deform, meanwhile, the buffering arm 1 can drive the dynamic friction cylinder 41 to be matched with the static friction plate 42 for friction, and energy of the buffering arm 1 is consumed through friction, so that energy of the buffering arm 1 is reduced, a vibration damping effect is achieved, and the phenomenon that a wire waves is avoided.
The utility model discloses a working process does:
as shown in fig. 1-3, when the high voltage transmission line is waved, an external force is transmitted to the buffering arm 1 through the transmission line, the buffering arm 1 rotates relative to the double-layer fixed frame 2, the buffering arm 1 pulls the tension spring 7 to deform, and the deformed tension spring 7 absorbs a part of energy of the buffering arm 1; meanwhile, the buffering arm 1 drives the dynamic friction cylinder 41 to be matched and rubbed with the static friction sheet 42, and the energy of the buffering arm 1 is consumed through friction, so that the energy of the buffering arm 1 is reduced, the vibration damping effect is realized, and meanwhile, the conductor galloping phenomenon is avoided.
Specific example 2:
as shown in fig. 4, in order to realize the restoration of the rotated buffering arm 1, the difference from the embodiment 1 is that the fixing frame 2 is hollow inside, each buffering arm 1 penetrates through the rotation connection part with the fixing frame 2 along the length direction to extend into the fixing frame 2, and the restoration assembly includes a connection spring 8 installed at the extending end of each adjacent buffering arm 1. When the high-voltage transmission line waves, external force is transmitted to the buffering arm 1 through the transmission line, the buffering arm 1 rotates relative to the double-layer fixed frame 2, the buffering arm 1 can pull the connecting spring 8 to deform, and the deformed connecting spring 8 absorbs part of energy of the buffering arm 1;
specific example 3:
as shown in fig. 5 to 6, in order to increase the friction area and achieve a good consumption of energy of the buffering arm 1 through friction movement, the difference from the embodiment 1 is that the energy consuming assembly further includes a second friction set, the second friction set includes a second friction plate 6 and a friction rail 7 in friction contact with the second friction plate 6, preferably, in this embodiment, the friction rail 7 is arc-shaped; the fixed frame 2 is hollow, each buffering arm 1 penetrates through a rotary joint with the fixed frame 2 along the length direction and extends into the fixed frame 2, the second friction plate 6 is installed at the extending end of the buffering arm 1, and the friction track 7 is installed in the fixed frame 2. When high tension line takes place to wave, external force passes through the power transmission line and transmits buffering arm 1 on, buffering arm 1 rotates double-deck fixed frame 2 relatively, and buffering arm 1 can drive second friction disc 6 and rotate for second friction disc 6 rubs with friction track 7, consumes the energy of buffering arm 1 through the friction, thereby reduces the energy of buffering arm 1, realizes the damping effect, has avoided the emergence of wire phenomenon of waving simultaneously.
Through the compound friction combination of the first friction group 4 and the second friction group, the friction area can be increased, the energy of the buffering arm 11 is quickened to be consumed, the energy of the buffering arm 11 is reduced, the vibration reduction effect is realized, and meanwhile, the phenomenon of conductor galloping is avoided.
The utility model has simple structure, when the high voltage transmission line waves, the external force is transmitted to the buffering arm 1 through the transmission line, on one hand, when the buffering arm 1 rotates relative to the fixed frame 2, the restoring component absorbs the energy transmitted by the buffering arm 1 through extrusion deformation, thereby realizing the vibration damping effect; on the other hand, the energy of the buffering arm 1 is consumed through the friction motion of the first friction group 4 and the second friction group on the energy consumption assembly, so that the energy of the buffering arm 1 is reduced, and the galloping of the power transmission line can be effectively reduced through the vibration reduction and inhibition effects realized by the composite effect of the two aspects.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A friction energy-consumption anti-galloping damping spacer comprises a fixed frame and a plurality of buffering arms which are rotatably connected outside the fixed frame, wherein one ends of the buffering arms, which are back to the fixed frame, are provided with wire clamps;
the first friction assembly comprises a dynamic friction cylinder arranged on the buffering arm and a static friction plate arranged on the fixed frame, and the static friction plate is matched with and rubs two ends of the dynamic friction cylinder.
2. The spacer damper for preventing waving with friction energy dissipation of claim 1, wherein the fixing frame is a double-layer fixing frame.
3. The spacer damper with friction energy dissipation and anti-galloping functions as claimed in claim 2, wherein the restoring assembly comprises a plurality of tension springs installed between each buffering arm and the double-layer fixing frame, the tension springs are located on both sides of each buffering arm and connected with the frame of the double-layer fixing frame.
4. The spacer damper for preventing waving with friction energy dissipation as claimed in claim 2, wherein said fixed frame is hollow inside, each of said buffer arms is extended into said fixed frame through a rotary joint with said fixed frame along a length direction, and said restoring means comprises a connecting spring installed at an extended end of each of adjacent buffer arms.
5. The spacer damper with friction energy dissipation and anti-galloping functions as claimed in any one of claims 3 or 4, wherein the energy dissipation assembly further comprises a second friction set, the second friction set comprises a second friction plate and a friction track matched with the second friction plate in friction contact, the fixed frame is hollow inside, each buffering arm penetrates through a rotating joint with the fixed frame along the length direction and extends into the fixed frame, the second friction plate is mounted at the extending end of each buffering arm, and the friction track is mounted in the fixed frame.
6. The spacer damper with friction energy dissipation and anti-galloping functions as claimed in claim 5, wherein the friction track is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022340453.2U CN213661152U (en) | 2020-10-20 | 2020-10-20 | Friction energy dissipation anti-galloping damping spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022340453.2U CN213661152U (en) | 2020-10-20 | 2020-10-20 | Friction energy dissipation anti-galloping damping spacer |
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| Publication Number | Publication Date |
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| CN213661152U true CN213661152U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022340453.2U Active CN213661152U (en) | 2020-10-20 | 2020-10-20 | Friction energy dissipation anti-galloping damping spacer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036874A (en) * | 2022-07-19 | 2022-09-09 | 东北电力大学 | Spacer capable of swinging and automatically resetting |
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2020
- 2020-10-20 CN CN202022340453.2U patent/CN213661152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036874A (en) * | 2022-07-19 | 2022-09-09 | 东北电力大学 | Spacer capable of swinging and automatically resetting |
| CN115036874B (en) * | 2022-07-19 | 2023-08-11 | 东北电力大学 | Spacer capable of swinging and automatically resetting |
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