CN113839363B - Pre-twisted vibration damper for power transmission line - Google Patents
Pre-twisted vibration damper for power transmission line Download PDFInfo
- Publication number
- CN113839363B CN113839363B CN202111254130.4A CN202111254130A CN113839363B CN 113839363 B CN113839363 B CN 113839363B CN 202111254130 A CN202111254130 A CN 202111254130A CN 113839363 B CN113839363 B CN 113839363B
- Authority
- CN
- China
- Prior art keywords
- plate
- damper
- clamping sleeve
- vibration
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/06—Suspensions for lines or cables along a separate supporting wire, e.g. S-hook
- H02G7/08—Members clamped to the supporting wire or to the line or cable
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a pre-twisted damper for a power transmission line, which comprises a wire clamp, a connecting rod, steel strands and a hammer body, wherein the wire clamp is arranged at the upper part of the connecting rod, first connectors are arranged at two ends of the wire clamp, a mask expanding cover is arranged at one end of each first connector, a plurality of second elastic sheets are arranged on the inner wall of the mask expanding cover, one ends of the steel strands are fixedly connected with the first connectors, the steel strands are positioned in the middle parts of the second elastic sheets, and the other ends of the steel strands are connected with the hammer body. According to the invention, the first connecting joints are arranged at two ends of the connecting rod, the mask is arranged at one end of the first connecting joint, the plurality of groups of second elastic sheets are arranged on the inner wall of the mask, and the second elastic sheets are used for absorbing vibration when the steel strand vibrates, so that the vibration of the lead is reduced.
Description
Technical Field
The invention belongs to the technical field of circuit erection, and particularly relates to a pre-twisted damper for a power transmission line.
Background
The high-voltage overhead line has high pole position and large span, and can vibrate when the wire is acted by wind. The working conditions at the wire suspension are most unfavourable when the wire vibrates. Due to multiple vibrations, fatigue failure of the wire may occur due to periodic bending. When the span of the overhead line is more than 120 meters, a damper is generally adopted to prevent vibration. The installation position of the damper should be determined according to construction requirements. After the damper is installed, the damper can generate movement opposite to the vibration phase of the lead under the action of inertia, so that the vibration of the lead is eliminated or weakened.
The existing pre-hinged vibration damper generally comprises a heavy hammer with certain mass, a zinc steel stranded wire with high elasticity and high strength and a wire clamp, wherein the heavy hammer is hung at two ends of the steel stranded wire, when a lead vibrates, the elastic steel stranded wire absorbs a part of energy, but the absorption capacity of the steel stranded wire is limited, so that the vibration damping effect of the vibration damper is general, and when the lead shakes a large amplitude, the vibration damping effect still has certain limitation.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pre-twisted damper for a power transmission line so as to reduce the vibration of a lead.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a transmission line preformed helical damper, includes fastener, connecting rod, steel strand wires, hammer block, the fastener is installed on the upper portion of connecting rod, and the both ends of fastener all are equipped with first connector, first connector one end is equipped with the gauze mask that expands, is equipped with a plurality of second shell fragments on the gauze mask inner wall, the one end and the first connector fixed connection of steel strand wires, and the steel strand wires are located the middle part of each second shell fragment, the other end and the hammer block of steel strand wires are connected.
As a further preference of the technical scheme, the wire clamp comprises a fixed pipe fixedly arranged in the middle of the connecting rod, a connecting plate is arranged on the upper portion of the fixed pipe, a lower clamping sleeve is fixedly connected to the upper portion of the connecting plate, an upper clamping sleeve is arranged on the upper portion of the lower clamping sleeve, one end of the upper clamping sleeve is hinged to one end of the lower clamping sleeve, the other end of the upper clamping sleeve is detachably connected through a bolt, an inner clamping sleeve is arranged inside the upper clamping sleeve, an adjusting screw rod is movably connected to one side of the inner clamping sleeve, the upper end of the adjusting screw rod extends out of the upper clamping sleeve and is connected with a rotating handle, and the adjusting screw rod is in threaded connection with the upper clamping sleeve; the adjustable inner clamping sleeve is convenient for the wire clamp to fixedly install the damper on the wires with different wire diameters.
As a further preference of the technical scheme, the first connector is a hollow frame structure, a first end plate is arranged at one end inside the first connector, first pin shafts are arranged at two ends of the first end plate and are hinged with the inner wall of the first connector, one end of each steel strand is fixedly connected with the first end plate, a first toggle plate is arranged on one side of the first end plate, first elastic pieces are arranged on the left side and the right side of the first toggle plate, one side of each first elastic piece is fixedly arranged on the inner wall of the first connector, and the other side of each first elastic piece is a free end; when the wire drives the damper to rock, the steel strand swings left and right to drive the first end plate to rotate left and right in the first connecting head, and the first stirring plate at one end of the first end plate rotates left and right and is extruded with the first elastic pieces on two sides of the first stirring plate to absorb vibration, so that the vibration-proof effect of the damper is enhanced.
As a further preferred option of the technical scheme, one end of the hammer body is connected with a second connector, the second connector is of a hollow frame structure, one end inside the second connector is provided with a second end plate, two sides of the second end plate are provided with second pin shafts, the first pin shafts and the second pin shafts are arranged vertically, one ends of the steel strands are fixedly connected through the second end plate, one side of the second end plate is provided with a second toggle plate, the upper side and the lower side of the second toggle plate are provided with third elastic sheets, one side of each third elastic sheet is fixedly installed on the inner wall of the second connector, and the other side of each third elastic sheet is a free end; when the damper vibrates up and down, the third elastic sheet absorbs the energy of the up-and-down vibration of the hammer body, and after the third elastic sheet is combined with the first elastic sheet, the vibration of the hammer body in the front-and-back and up-and-down directions is absorbed, so that the vibration-proof effect of the damper is ensured.
As a further preferred option of the technical solution, a hanging plate is arranged at the lower part of the first connector, a hanging rack is arranged at the lower part of the hanging plate, and a heavy hammer is hinged at the lower end of the hanging rack; the weight of the damper is increased by the heavy hammer, and when the damper vibrates forwards and backwards, the heavy hammer absorbs part of vibration under the action of inertia, so that the vibration-proof effect of the damper is further enhanced.
As a further preferred option of the technical scheme, an arc-shaped groove is arranged on the hanging plate, a pulley is arranged at the upper part of the hanging rack, and the pulley is movably hung on the arc-shaped groove; when the anti-vibration hammer vibrates back and forth, the heavy hammer slides back and forth on the arc-shaped groove, when the heavy hammer slides to the extreme point of the arc-shaped groove, the heavy hammer starts to slide reversely, and at the moment of direction changing, the heavy hammer receives centrifugal force to offset partial vibration, so that the anti-vibration effect of the anti-vibration hammer is further enhanced.
As a further preferred option of the technical solution, the hammer body includes a body, the body is provided with a guide groove, the body is slidably provided with a plurality of sliding blocks, the lower portion of each sliding block is provided with a guide block, the guide blocks are installed inside the guide groove with a gap, and when the damper vibrates, the sliding blocks slide on the body and impact the body to unload energy, so that the vibration-proof effect of the damper is enhanced.
As a further preference of the technical scheme, one side of the second connector is fixedly connected with a third spring, the other end of the third spring is a free end, the left side of the sliding block is fixedly connected with a plurality of second springs, and the other ends of the second springs are free ends; when the sliding block slides left and right on the body, the sliding block is abutted against the second spring or the third spring to absorb partial vibration energy, so that the vibration of the hammer body is reduced, and the second spring and the third spring avoid repeated striking of the hammer body when the sliding block slides to cause damage to the hammer body.
As this technical scheme's further preferred, the slider includes the arc casing, arc casing middle part is equipped with the baffle, the first spring of the equal fixedly connected with in baffle both sides, and the lower extreme of first spring is connected with the buffer block, and when the hammer block took place to wrench movement, the torsional energy of hammer block was absorbed to buffer block and first spring, further cushions the vibration absorption to the hammer block, has guaranteed the antivibration effect of damper.
The invention has the beneficial effects that:
1) According to the invention, the first connecting heads are arranged at the two ends of the connecting rod, the mask expanding cover is arranged at one end of the first connecting head, the plurality of groups of second elastic sheets are arranged on the inner wall of the mask expanding cover, and the second elastic sheets are utilized to absorb vibration when the steel strand vibrates, so that the vibration of the lead is reduced.
2) The inner clamping sleeve is arranged in the wire clamp, and the inner clamping sleeve is of an adjustable structure, so that the wire clamp can be conveniently and fixedly provided with the anti-vibration hammer on wires with different wire diameters.
3) According to the invention, the movable first end plate is arranged in the first connector, the first poking plate is arranged on one side of the first end plate, the first elastic sheets are arranged on two sides of the first poking plate, and the first elastic sheets are used for absorbing the energy generated when the steel strand swings left and right, so that the vibration-proof effect of the damper is enhanced.
4) According to the vibration absorption hammer, the second connector is arranged at one end of the hammer body, the second end plate which is perpendicular to the rotation direction of the first end plate is arranged in the second connector, the second poking plate and the third elastic sheet are arranged on one side of the second end plate, the third elastic sheet is used for absorbing vibration generated when the steel strand swings up and down, and after the third elastic sheet is combined with the first elastic sheet, the comprehensive vibration absorption in the front-back direction and the up-down direction of the hammer body is formed, and the vibration absorption effect of the vibration absorption hammer is guaranteed.
5) According to the invention, the hanging plate is arranged at the lower part of the first connecting head, and the heavy hammer is arranged at the lower part of the hanging plate, so that the weight of the anti-vibration hammer is increased, the inertia of the anti-vibration hammer is increased, partial vibration is absorbed when the heavy hammer swings, and the anti-vibration effect of the anti-vibration hammer is further enhanced.
6) According to the invention, the arc-shaped groove is formed in the hanging plate, when the damper vibrates forwards and backwards, the heavy hammer slides forwards and backwards on the arc-shaped groove, when the heavy hammer slides to the extreme point position of the arc-shaped groove, the heavy hammer starts to slide reversely, and at the moment of turning, the heavy hammer receives centrifugal force to offset part of vibration, so that the vibration-proof effect of the damper is further enhanced.
7) According to the invention, the guide groove is arranged on the body of the hammer body, and the plurality of groups of sliding blocks which are in sliding connection with the guide groove are arranged on the body, so that when the anti-vibration hammer vibrates, the sliding blocks slide on the body and impact the body to unload energy, and the anti-vibration effect of the anti-vibration hammer is enhanced.
8) According to the invention, the third spring is arranged on one side of the second connector, the plurality of second springs are arranged on the left side of the sliding block, when the sliding block slides left and right on the body, the sliding block is abutted against the second spring or the third spring to absorb part of vibration energy, so that the vibration of the hammer body is reduced, and the second spring and the third spring prevent the hammer body from being damaged due to repeated impact on the hammer body when the sliding block slides.
9) According to the invention, the sliding block is designed into an arc-shaped structure, the partition plate is arranged in the middle of the arc-shaped shell, the first springs are fixedly connected to two sides of the partition plate, the lower end of each first spring is connected with the buffer block, and when the hammer body is twisted, the buffer blocks and the first springs absorb the twisting energy of the hammer body, so that the hammer body is further buffered and vibrated, and the vibration-proof effect of the damper is ensured.
Drawings
FIG. 1 is a schematic structural view of a pre-twisted damper for a power transmission line.
FIG. 2 is a schematic diagram of a center line clamp structure of a pre-twisted damper for a power transmission line.
Fig. 3 is a schematic diagram of a first connector structure in the pre-twisted damper for the power transmission line.
Fig. 4 is a schematic diagram of a first end plate structure in the pre-twisted damper for the power transmission line.
FIG. 5 is a schematic diagram of the assembly of a heavy hammer in the pre-twisted damper for a power transmission line according to the present invention.
FIG. 6 is a schematic structural diagram of a hammer body in the pre-twisted damper for the power transmission line.
FIG. 7 is a schematic structural diagram of a pre-twisted damper middle body of a power transmission line.
FIG. 8 is a schematic diagram of a structure of a sliding block in the pre-twisted damper for the power transmission line.
In the figure: 1. wire clamps; 101. a fixed tube; 102. a connecting plate; 103. a lower ferrule; 104. a ferrule is arranged; 105. an inner cutting sleeve; 106. adjusting the screw rod; 2. a connecting rod; 3. a first connector; 301. a first end plate; 302. a first pin shaft; 303. a first toggle plate; 304. a first spring plate; 305. a mask expanding cover; 306. a second elastic sheet; 307. hanging the plate; 308. an arc-shaped slot; 309. a hanger; 310. a weight; 4. steel strand wires; 5. a hammer body; 501. a body; 502. a guide groove; 503. a second connector; 504. a second end plate; 505. a second pin shaft; 506. a second toggle plate; 507. a third elastic sheet; 508. a third spring; 6. a slider; 601. an arc-shaped shell; 602. a buffer block; 603. a first spring; 604. a partition plate; 605. a second spring; 606. and a guide block.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 8, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 and 3, a pre-twisted damper for power transmission line comprises a wire clamp 1, a connecting rod 2, a steel strand 4 and a hammer body 5, wherein the wire clamp 1 is installed on the upper portion of the connecting rod 2, first connecting joints 3 are arranged at two ends of the wire clamp 1, a diffuser cover 305 is arranged at one end of each first connecting joint 3, a plurality of second elastic sheets 306 are arranged on the inner wall of the diffuser cover 305, one end of the steel strand 4 is fixedly connected with the first connecting joints 3, the steel strand 4 is located in the middle of each second elastic sheet 306, and the other end of the steel strand 4 is connected with the hammer body 5.
As shown in fig. 2, in the present embodiment, the wire clamp 1 includes a fixed tube 101 fixedly installed in the middle of the connecting rod 2, a connecting plate 102 is disposed on the upper portion of the fixed tube 101, a lower sleeve 103 is fixedly connected to the upper portion of the connecting plate 102, an upper sleeve 104 is disposed on the upper portion of the lower sleeve 103, one end of the upper sleeve 104 is hinged to one end of the lower sleeve 103, the other end of the upper sleeve is detachably connected to the other end of the lower sleeve 103 through a bolt, an inner sleeve 105 is disposed inside the upper sleeve 104, an adjusting screw 106 is movably connected to one side of the inner sleeve 105, the upper end of the adjusting screw 106 extends out of the upper sleeve 104 and is connected to a rotating handle, and the adjusting screw 106 is in threaded connection with the upper sleeve 104; the adjustable inner clamping sleeve 105 is convenient for the wire clamp 1 to fixedly install the damper on the wires with different wire diameters.
As shown in fig. 3-4, in this embodiment, the first connection head 3 is a hollow frame structure, a first end plate 301 is disposed at one end inside the first connection head 3, first pin shafts 302 are disposed at two ends of the first end plate 301, the first pin shafts 302 are hinged to an inner wall of the first connection head 3, one end of each steel strand 4 is fixedly connected to the first end plate 301, a first toggle plate 303 is disposed on one side of the first end plate 301, first elastic pieces 304 are disposed on left and right sides of the first toggle plate 303, one side of each first elastic piece 304 is fixedly mounted on the inner wall of the first connection head 3, and the other side is a free end; when the wire drives the damper to shake, the steel strand 4 swings left and right to drive the first end plate 301 to rotate left and right in the first connector 3, and the first poking plate 303 at one end of the first end plate 301 rotates left and right to extrude and absorb vibration with the first elastic pieces 304 at two sides of the first poking plate, so that the vibration-proof effect of the damper is enhanced.
As shown in fig. 6, in this embodiment, one end of the hammer body 5 is connected to a second connecting head 503, the second connecting head 503 is a hollow frame structure, one end inside the second connecting head 503 is provided with a second end plate 504, two sides of the second end plate 504 are provided with second pins 505, the first pins 302 and the second pins 505 are arranged perpendicularly, one end of the steel strand 4 is fixedly connected with the second end plate 504, one side of the second end plate 504 is provided with a second toggle plate 506, the upper and lower sides of the second toggle plate 506 are provided with third elastic pieces 507, one side of each third elastic piece 507 is fixedly installed on the inner wall of the second connecting head 503, and the other side is a free end; when the damper vibrates up and down, the third elastic sheet 507 absorbs the energy of the up-and-down vibration of the hammer body 5, and after the third elastic sheet 507 is combined with the first elastic sheet 304, the vibration of the hammer body 5 in the front-and-back and up-and-down directions is absorbed, and the vibration-proof effect of the damper is ensured.
As shown in fig. 3, in the present embodiment, a hanging plate 307 is disposed at the lower portion of the first connecting joint 3, a hanging rack 309 is disposed at the lower portion of the hanging plate 307, and a weight 310 is hinged to the lower end of the hanging rack 309; the weight 310 not only increases the weight of the damper, but also the damper 310 absorbs a part of the vibration under the action of inertia when the damper vibrates back and forth, thereby further enhancing the vibration-proof effect of the damper.
As shown in fig. 5, in this embodiment, an arc-shaped groove 308 is formed on the hanging plate 307, a pulley is arranged at the upper part of the hanging rack 309, and the pulley is movably hung on the arc-shaped groove 308; when the damper vibrates back and forth, the weight 310 slides back and forth on the arc-shaped groove 308, when the weight 310 slides to the extreme position of the arc-shaped groove 308, the weight starts to slide in the reverse direction, and at the moment of turning, the weight 310 receives centrifugal force to counteract partial vibration, so that the vibration-proof effect of the damper is further enhanced.
As shown in fig. 6-7, in the present embodiment, the hammer body 5 includes a body 501, a guide groove 502 is formed on the body 501, a plurality of sliders 6 are slidably mounted on the body 501, a guide block 606 is formed at a lower portion of each slider 6, and the guide blocks 606 are mounted inside the guide groove 502 with a gap therebetween.
As shown in fig. 6 and 8, in this embodiment, one side of the second connecting head 503 is fixedly connected with a third spring 508, the other end of the third spring 508 is a free end, the left side of the sliding block 6 is fixedly connected with a plurality of second springs 605, and the other end of the second springs 605 is a free end; when the slider 6 slides left and right on the body 501, the slider 6 supports against the second spring 605 or the third spring 508 to absorb part of vibration energy, so that the vibration of the hammer 5 is reduced, and the second spring 605 and the third spring 508 prevent the hammer 5 from being damaged due to repeated striking of the hammer 5 when the slider 6 slides.
As shown in fig. 8, in this embodiment, the slider 6 includes an arc-shaped housing 601, a partition 604 is disposed in the middle of the arc-shaped housing 601, first springs 603 are fixedly connected to both sides of the partition 604, and a buffer block 602 is connected to the lower end of the first spring 603, so that when the hammer body 5 is twisted, the buffer block 602 and the first spring 603 absorb torsional energy of the hammer body 5, and further buffer and absorb shock of the hammer body 5, thereby ensuring the anti-vibration effect of the damper.
When the pre-hinged damper is used, the wire clamp 1 is fixed on a wire, so that the damper is in a sagging state, when the wire shakes due to the influence of wind power, the damper shakes along with the wire, and when the damper shakes, the steel strand 4 swings left and right or up and down in the mask expander 305 due to certain flexibility and elasticity of the steel strand 4, after the steel strand 4 contacts the second elastic sheet 306 in the mask expander 305, the second elastic sheet 306 absorbs a part of vibration from the steel strand 4, and when the steel strand 4 swings, the two ends of the steel strand 4 drive the first end plate 301 or the second end plate 504 to swing left and right or up and down, and the first elastic sheet 304 or the third elastic sheet 507 is used for absorbing part of vibration from the steel strand 4 again. The hammer body 5 is arranged at the tail end of the steel strand 4, the swing amplitude of the hammer body is large, when the hammer body 5 swings, the sliding block 6 slides left and right on the body 501 for absorbing energy, the second spring 605 on one side of the sliding block 6 absorbs the vibration generated by the impact when the sliding block 6 slides to the tail end, when the hammer body 5 is twisted, the first spring 603 drives the buffer block 602 to absorb the vibration again, and the vibration frequency of the first spring 603, the second spring 605 and the third spring 508 is different from the swing frequency of the lead, so that the vibration of the lead is further reduced.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (8)
1. A pre-twisted damper for a power transmission line comprises a wire clamp, a connecting rod, steel strands and a hammer body, wherein the wire clamp is installed at the upper part of the connecting rod; the first connecting head is of a hollow frame structure, a first end plate is arranged at one end inside the first connecting head, first pin shafts are arranged at two ends of the first end plate and hinged to the inner wall of the first connecting head, one end of each steel strand is fixedly connected with the first end plate, a first stirring plate is arranged on one side of the first end plate, first elastic pieces are arranged on the left side and the right side of the first stirring plate, one side of each first elastic piece is fixedly mounted on the inner wall of the first connecting head, and the other side of each first elastic piece is a free end.
2. The pre-twisted damper for power transmission lines according to claim 1, wherein the wire clamp comprises a fixed pipe fixedly installed in the middle of the connecting rod, a connecting plate is arranged on the upper portion of the fixed pipe, a lower clamping sleeve is fixedly connected to the upper portion of the connecting plate, an upper clamping sleeve is arranged on the upper portion of the lower clamping sleeve, one end of the upper clamping sleeve is hinged to one end of the lower clamping sleeve, the other end of the upper clamping sleeve is detachably connected through a bolt, an inner clamping sleeve is arranged inside the upper clamping sleeve, an adjusting screw rod is movably connected to one side of the inner clamping sleeve, a rotating handle is connected to the upper end of the adjusting screw rod, the upper clamping sleeve extends out of the upper clamping sleeve, and the adjusting screw rod is in threaded connection with the upper clamping sleeve.
3. The pre-twisted damper for power transmission lines according to claim 1, wherein one end of the damper body is connected with a second connector, the second connector is of a hollow frame structure, a second end plate is arranged at one end inside the second connector, second pin shafts are arranged on two sides of the second end plate, the first pin shafts and the second pin shafts are arranged perpendicularly, one end of each steel strand is fixedly connected with the second end plate, a second toggle plate is arranged on one side of the second end plate, third elastic pieces are arranged on the upper side and the lower side of the second toggle plate, one side of each third elastic piece is fixedly installed on the inner wall of the second connector, and the other side of each third elastic piece is a free end.
4. The preformed damper of claim 1, wherein a hanging plate is arranged at the lower part of the first connector, a hanging frame is arranged at the lower part of the hanging plate, and a heavy hammer is hinged at the lower end of the hanging frame.
5. The preformed damper of claim 4, wherein the hanging plate is provided with an arc-shaped groove, the upper part of the hanging rack is provided with a pulley, and the pulley is movably hung on the arc-shaped groove.
6. The preformed helical damper for transmission lines as claimed in claim 3, wherein the damper body comprises a body, the body is provided with a guide slot, the body is slidably provided with a plurality of sliding blocks, the lower parts of the sliding blocks are provided with guide blocks, and the guide blocks are arranged inside the guide slot in a clearance manner.
7. The preformed stockpiling type damper for transmission lines as claimed in claim 6, wherein one side of the second connector is fixedly connected with a third spring, the other end of the third spring is a free end, the left side of the sliding block is fixedly connected with a plurality of second springs, and the other end of the second spring is a free end.
8. The pre-twisted damper for power transmission lines according to claim 6, wherein the sliding block comprises an arc-shaped shell, a partition plate is arranged in the middle of the arc-shaped shell, first springs are fixedly connected to two sides of the partition plate, and a buffer block is connected to the lower ends of the first springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254130.4A CN113839363B (en) | 2021-10-27 | 2021-10-27 | Pre-twisted vibration damper for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254130.4A CN113839363B (en) | 2021-10-27 | 2021-10-27 | Pre-twisted vibration damper for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113839363A CN113839363A (en) | 2021-12-24 |
| CN113839363B true CN113839363B (en) | 2023-03-24 |
Family
ID=78966361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111254130.4A Active CN113839363B (en) | 2021-10-27 | 2021-10-27 | Pre-twisted vibration damper for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113839363B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336485B (en) * | 2021-12-31 | 2024-06-25 | 国网河南省电力公司电力科学研究院 | Weight anti-galloping device |
| CN114498516B (en) * | 2022-02-14 | 2023-12-26 | 江苏东恒光电有限公司 | Marine jacket platform is with multipurpose damper |
| CN114465184A (en) * | 2022-03-28 | 2022-05-10 | 贵州电网有限责任公司 | Quick non-power-outage shockproof hammer |
| CN114944633A (en) * | 2022-06-14 | 2022-08-26 | 浙江泰昌实业有限公司 | Power line damper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206323106U (en) * | 2016-12-01 | 2017-07-11 | 三峡大学 | A kind of damper for utilizing energy by collision and can preventing steel strand wires from sliding |
| CN206595624U (en) * | 2017-03-15 | 2017-10-27 | 宁夏翔达电力工程有限公司 | A kind of stockbridge damper resetting means |
| CN108711813A (en) * | 2018-05-30 | 2018-10-26 | 安徽省含山县兴建铸造厂 | A kind of damper for the ponding that anti-skidding can be shifted elsewhere for garrison duty |
| CN108963934B (en) * | 2018-09-28 | 2019-09-03 | 江苏天南电力器材有限公司 | A kind of conducting wire Pre-Cutter-Type Anti-Vibration Hammer |
-
2021
- 2021-10-27 CN CN202111254130.4A patent/CN113839363B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113839363A (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113839363B (en) | Pre-twisted vibration damper for power transmission line | |
| CN113964765B (en) | Transmission line cable conveying frame based on electric pole | |
| CN110611284A (en) | Self-tightening cable damper | |
| CN211880049U (en) | Novel wire hanging device for high-voltage overhead transmission line | |
| CN209955685U (en) | Triangular arm elasticity articulated elements before shock absorber support's concatenation formula | |
| CN210404667U (en) | Novel preformed helical stockbridge damper structure | |
| CN115065019A (en) | Vibration damper for overhead transmission line | |
| CN208637992U (en) | A kind of damper for overhead transmission line | |
| CN106953284B (en) | A kind of power transmission line spacer of no rigid collision | |
| CN214999794U (en) | Connecting seat for mounting support and hanger system for building machinery and electricity | |
| CN114336483B (en) | Split conductor anti-galloping spacer based on gyroscopic effect | |
| CN108527414A (en) | A kind of notebook computer shell processing mechanical arm | |
| CN207984540U (en) | A kind of shock absorption suspension device sub-assembly | |
| CN212056606U (en) | Display screen mounting member | |
| CN210033966U (en) | Centrifugal fan with damper | |
| CN209913409U (en) | A gallows mechanism device combats earthquake based on elastic buffering | |
| CN210434979U (en) | Protective structure of movable dust remover | |
| CN220673535U (en) | Damping motor of electric vehicle | |
| CN214699741U (en) | Air pipe shock absorption mounting structure | |
| CN211449894U (en) | Synthesize a finished product gallows subassembly | |
| CN220565430U (en) | Steel construction building shock attenuation support | |
| CN217251730U (en) | Straightening device for steel structure column beam production | |
| CN215783574U (en) | Jaw crusher damping device | |
| CN216843808U (en) | Mechanical equipment installs base | |
| CN219777041U (en) | Damper quality detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |