CN112467667B - Multi-direction wire damper that shakes and wire structure that shakes that suppresses - Google Patents
Multi-direction wire damper that shakes and wire structure that shakes that suppresses Download PDFInfo
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- CN112467667B CN112467667B CN202011313800.0A CN202011313800A CN112467667B CN 112467667 B CN112467667 B CN 112467667B CN 202011313800 A CN202011313800 A CN 202011313800A CN 112467667 B CN112467667 B CN 112467667B
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- hammer
- wire
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- annular mass
- vibration suppressing
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- 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
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- 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
-
- 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
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
Abstract
The invention discloses a multi-direction vibration-suppressing wire damper, which comprises an annular mass hammer, wherein an inner hole of the annular mass hammer is covered with a viscoelastic layer, the annular mass hammer is also provided with a fixing clamp, and the fixing clamp is connected with the annular mass hammer through a limiting cable. The invention has the beneficial effects that: when the lead vibrates in any direction, the annular mass hammer provides reverse inertia force under the action of inertia, when the vibration amplitude is larger, the inner side of the annular mass hammer collides with the lead, so that the vibration is further inhibited, and meanwhile, a part of vibration energy is consumed by the limiting cable between the annular mass hammer and the lead, so that the shockproof hammer has a good damping effect on all-directional vibration of the lead.
Description
Technical Field
The invention belongs to the technical field of transmission line galloping inhibition, and particularly relates to a multi-direction vibration-inhibiting wire vibration-preventing hammer and a wire vibration-inhibiting structure.
Background
The distance between the high-voltage overhead line iron towers is large, and when the wires are under the action of wind force, vibration can occur. The lead vibrates repeatedly for many times, and the lead is subjected to fatigue failure 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 traditional damper is generally suspended on a wire, and when the wire vibrates in breeze, the vibration energy of the wire is reduced by a mass tuning damper (TMD) principle. The working direction of the vibration damper is usually a single direction, such as vertical direction, torsion direction and the like, the vibration of the lead is compound motion, the vibration mode is complex, and the traditional vibration damper cannot fully meet the vibration-proof requirement. In addition, the conventional tuned mass damper consumes energy mainly through the internal friction of a steel rope suspending the mass hammer, and the damping effect on the vibration of the wire needs to be improved.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a multi-directional vibration-damping wire damper.
The technical scheme is as follows:
the utility model provides a wire damper that multi-direction suppressed vibration, its key lies in, includes annular mass hammer, and the hole of this annular mass hammer covers there is the viscoelastic layer, and this annular mass hammer still disposes the fixation clamp, this fixation clamp with annular mass hammer passes through the spacing cable and connects, is equipped with the fastener hole on this fixation clamp, this fastener hole with the hole of annular mass hammer just is right in order to be used for wearing to establish the wire.
Design more than adopting breaks through traditional damper's structural style and working method, adopts annular mass hammer promptly, and encircles the wire installation, sets up the viscoelastic layer in annular mass hammer, when the wire takes place to vibrate in any direction, under inertial effect, annular mass hammer will provide reverse inertial force, and when vibration amplitude is great, annular mass hammer inboard will collide with the wire to further restrain vibration. Therefore, the damper has good damping effect on all-directional vibration of the lead. The retaining clip acts as a restraint on the position of the annular mass hammer.
According to the preferable technical scheme, the two annular mass hammers are provided, inner holes of the two annular mass hammers are opposite, the two annular mass hammers are respectively arranged on two sides of the fixing clamp, and the two annular mass hammers are respectively connected with the fixing clamp through the limiting ropes.
By adopting the design, the two annular quality hammers play a balancing role, the positions and the weights of the annular quality hammers can be adjusted as required, and the shockproof hammers with different working frequencies can be obtained by changing the weights of the annular quality hammers and the length of the limiting cable.
As a preferred technical scheme, two ends of the limiting cable are respectively connected with one annular mass hammer, and the limiting cable is arranged along a direction parallel to the hole center lines of the two annular mass hammers;
the middle part of the limiting cable is provided with the fixing clamp.
By adopting the design, a group of annular mass hammers are conveniently arranged on the guide wire through the fixing clamp.
Preferably, the two annular mass hammers are equidistant from the fixing clip.
By adopting the design, the two annular mass hammers are symmetrically arranged on two sides of the fixing clamp, so that the balance of the two hammers is improved.
As a preferred technical scheme, the annular mass hammer comprises two mass hammer units, each mass hammer unit comprises a semi-annular hammer body unit, and two ends of each hammer body unit are respectively and fixedly provided with a butt joint block extending outwards in the radial direction;
the respective docking blocks of the two mass hammer units are docked to form the annular mass hammer.
By adopting the design, the annular mass hammer is convenient to install on the guide wire.
According to the preferable technical scheme, any pair of butt joint block contact surfaces of the mass hammer units are provided with limiting cable clamping holes, and the limiting cables are clamped in the limiting cable clamping holes.
By adopting the design, the annular mass hammer is conveniently connected between the limiting cables.
As a preferred technical scheme, an anti-collision insulating sleeve is further arranged in an inner hole of the viscoelastic layer in a penetrating mode, the outer diameter of the anti-collision insulating sleeve is smaller than the hole diameter of the inner hole of the viscoelastic layer, and an annular gap is formed between the anti-collision insulating sleeve and the viscoelastic layer.
By adopting the design, the insulating sleeve plays an insulating role in the position where the wire and the annular mass hammer are likely to collide, the safety is ensured, and the annular gap provides a buffer space for the relative motion between the annular mass hammer and the wire.
As a preferred technical scheme, the anti-collision insulating sleeve comprises an insulating layer and a reinforcing layer which are distributed from inside to outside.
Design more than adopting, the insulating layer plays insulating effect, and the back up coat plays the guard action for the wire, prevents that the collision between wire and the annular quality hammer from leading to the damage.
The second purpose of the present invention is to provide a wire vibration suppression structure.
A wire vibration suppression structure comprises the multi-direction vibration suppression wire vibration suppression hammer and is characterized by further comprising a wire, wherein two anti-collision insulating sleeves are fixedly sleeved on the wire and arranged at intervals;
each anti-collision insulating sleeve is sleeved with one annular mass hammer, and the fixing clamp is clamped on the lead between the two annular mass hammers;
the spacing cord is spaced apart from the wire.
By adopting the design, through the collision of the annular mass hammer and the lead and the internal friction of the steel cable for suspending the annular mass hammer, the energy consumption effect is increased; the annular mass hammer surrounds the lead and can control the vertical, horizontal and torsional vibration of the lead; 4 working frequencies can be obtained by setting and changing the mass of the annular mass hammer and the length of the limiting cable, so that a better vibration control effect is obtained.
Compared with the prior art, the invention has the beneficial effects that: when the lead vibrates in any direction, the annular mass hammer provides reverse inertia force under the action of inertia, when the vibration amplitude is larger, the inner side of the annular mass hammer collides with the lead, so that the vibration is further inhibited, and meanwhile, a part of vibration energy is consumed by the limiting cable between the annular mass hammer and the lead, so that the shockproof hammer has a good damping effect on all-directional vibration of the lead.
Drawings
FIG. 1 is a schematic diagram of a damper from one perspective;
FIG. 2 is a schematic view of the damper from another perspective;
FIG. 3 is a schematic diagram of the construction of an annular mass hammer;
fig. 4 is a schematic view of a wire vibration suppressing structure.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
The utility model provides a wire damper that multidirectionally suppress vibration, includes annular mass hammer 1, and the hole of this annular mass hammer 1 covers has viscoelastic layer 13, and this annular mass hammer 1 still disposes fixation clamp 3, this fixation clamp 3 with annular mass hammer 1 passes through spacing cable 2 and is connected.
As shown in fig. 1 and 2, in this embodiment, there are two annular mass hammers 1, inner holes of the two annular mass hammers 1 are opposite to each other, the two annular mass hammers 1 are respectively located on two sides of the fixing clip 3, and the two annular mass hammers 1 are respectively connected with the fixing clip 3 through the limiting cables 2. Two ends of the limiting cable 2 are respectively connected with one annular mass hammer 1, and the limiting cable 2 is arranged along the direction parallel to the hole center lines of the two annular mass hammers 1. The middle part of the limiting cable 2 is provided with the fixing clamp 3. The two annular mass hammers 1 have the same distance to the fixing clip 3.
As shown in fig. 3, the annular mass hammer 1 includes two mass hammer units, each of which includes a semi-annular hammer body unit 11, and two abutting blocks 12 extending radially outward are respectively fixedly disposed at two ends of the hammer body unit 11. The respective abutting blocks 12 of the two mass hammer units are abutted and connected by bolts to form the annular mass hammer 1.
Any one pair of butt-joint blocks 12 of the mass hammer unit is provided with a limiting cable clamping hole, and the pair of butt-joint blocks 12 are in butt joint connection to clamp the limiting cable 2 in the limiting cable clamping hole.
The limiting cable 2 can be a steel cable, has certain bending capacity and certain rigidity, and prevents the annular mass hammer 1 from impacting the fixing clamp 3 when moving. The viscoelastic layer 13 may use damping rubber.
An anti-collision insulating sleeve 4 is further arranged in the inner hole of the viscoelastic layer 13 in a penetrating mode, the outer diameter of the anti-collision insulating sleeve 4 is smaller than the hole diameter of the inner hole of the viscoelastic layer 13, and an annular gap is formed between the anti-collision insulating sleeve 4 and the viscoelastic layer 13. The length of the anti-collision insulating sleeve 4 is not less than the length of the inner hole of the annular mass hammer 1. The anti-collision insulating sleeve 4 comprises an insulating layer and a reinforcing layer which are distributed from inside to outside.
As shown in fig. 4, the above-mentioned conductor damper is mounted on the conductor 5 to form a conductor vibration suppressing structure. Two anti-collision insulating sleeves 4 are fixedly sleeved on the lead 5, and the two anti-collision insulating sleeves 4 are arranged at intervals. Each anti-collision insulating sleeve 4 is sleeved with an annular mass hammer 1, and the fixing clamp 3 is clamped on a lead 5 between the two annular mass hammers 1. The spacing cable 2 and the conducting wire 5 are spaced apart from each other.
When the lead 5 vibrates in any direction, the annular mass hammer 1 provides an opposite inertia force under the action of inertia, when the vibration amplitude is large, the inner side of the annular mass hammer 1 collides with the lead 5, so that the vibration is further suppressed, and the annular mass hammer 1 surrounds the lead, so that the vertical, transverse and torsional vibration of the lead 5 can be controlled. Energy consumption is achieved through collision between the annular mass hammer 1 and the conducting wire 5 and internal friction of the steel cable for hanging the annular mass hammer 1, and compared with a traditional damper, the energy consumption effect is improved.
In actual use, four working frequencies can be obtained by arranging two annular mass hammers 1 with different masses and changing the length of the steel cable, so that a better vibration control effect is achieved.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (8)
1. A multi-direction wire that suppresses shakes structure that suppresses, its characterized in that: the wire clamp comprises an annular mass hammer (1) and a wire (5), wherein a viscoelastic layer (13) covers an inner hole of the annular mass hammer (1), the annular mass hammer (1) is also provided with a fixing clamp (3), the fixing clamp (3) is connected with the annular mass hammer (1) through a limiting cable (2), a wire clamp hole (31) is formed in the fixing clamp (3), and the wire clamp hole (31) is opposite to the inner hole of the annular mass hammer (1) so as to be used for penetrating the wire (5);
the fixing clamp (3) is clamped on the lead (5);
still wear to be equipped with crashproof insulating cover (4) in the hole of viscoelasticity layer (13), the external diameter of this crashproof insulating cover (4) is less than the hole aperture of viscoelasticity layer (13), this crashproof insulating cover (4) with form annular gap between viscoelasticity layer (13), this crashproof insulating cover (4) fixed cover is located on wire (5).
2. The multi-directional vibration suppressing wire vibration suppressing structure according to claim 1, wherein: annular quality hammer (1) has two, two the hole of annular quality hammer (1) is just right, two annular quality hammer (1) divide and lie in fixation clamp (3) both sides, two annular quality hammer (1) pass through respectively spacing cable (2) with fixation clamp (3) are connected.
3. The multi-directional vibration suppressing wire vibration suppressing structure according to claim 2, wherein: two ends of the limiting cable (2) are respectively connected with one annular mass hammer (1), and the limiting cable (2) is arranged along the direction parallel to the hole center lines of the two annular mass hammers (1);
the middle part of the limiting cable (2) is provided with the fixing clamp (3).
4. The multi-directional vibration suppressing wire vibration suppressing structure according to claim 2, wherein: the distances from the two annular mass hammers (1) to the fixing clamp (3) are equal.
5. The multi-directional vibration-suppressing wire vibration-suppressing structure according to any one of claims 1 to 4, wherein: the annular mass hammer (1) comprises two mass hammer units, each mass hammer unit comprises a semi-annular hammer body unit (11), and two ends of each hammer body unit (11) are respectively and fixedly provided with a butt joint block (12) which extends outwards in the radial direction;
the respective docking blocks (12) of the two mass hammer units are docked to form the annular mass hammer (1).
6. The multidirectional vibration suppressing wire vibration suppressing structure as set forth in claim 5, wherein: any pair of butt joint blocks (12) of the mass hammer unit is provided with a limiting cable clamping hole, and the limiting cable (2) is clamped in the limiting cable clamping hole.
7. The multi-directional vibration suppressing wire vibration suppressing structure according to claim 1, wherein: the anti-collision insulating sleeve (4) comprises an insulating layer and a reinforcing layer which are distributed from inside to outside.
8. The multidirectional vibration suppressing wire vibration suppressing structure as set forth in claim 7, wherein: the wire (5) is fixedly sleeved with two anti-collision insulating sleeves (4), and the two anti-collision insulating sleeves (4) are arranged at intervals;
each anti-collision insulating sleeve (4) is sleeved with one annular mass hammer (1), and the fixing clamp (3) is clamped on the lead (5) between the two annular mass hammers (1);
the limiting cable (2) is spaced apart from the lead (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313800.0A CN112467667B (en) | 2020-11-20 | 2020-11-20 | Multi-direction wire damper that shakes and wire structure that shakes that suppresses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313800.0A CN112467667B (en) | 2020-11-20 | 2020-11-20 | Multi-direction wire damper that shakes and wire structure that shakes that suppresses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112467667A CN112467667A (en) | 2021-03-09 |
| CN112467667B true CN112467667B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011313800.0A Active CN112467667B (en) | 2020-11-20 | 2020-11-20 | Multi-direction wire damper that shakes and wire structure that shakes that suppresses |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030016A (en) * | 2022-06-23 | 2022-09-09 | 河海大学 | Double-tuned mass damper for vibration reduction of suspension cable of suspension bridge |
| CN115480131B (en) * | 2022-10-17 | 2023-09-08 | 国网湖北省电力有限公司恩施供电公司 | Omnidirectional adjustable frequency-modulation vibration-suppression and strand breakage identification device for overhead transmission conductor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB886482A (en) * | 1959-08-26 | 1962-01-10 | Schwitzer Corp | Cable vibration damper |
| CN201247939Y (en) * | 2008-06-18 | 2009-05-27 | 辽宁省电力有限公司营口供电公司 | Anti-dance weight dropper of high voltage overhead transmission line |
| CN101944713A (en) * | 2010-07-22 | 2011-01-12 | 重庆大学 | Split conductor anti-galloping device |
| CN202121253U (en) * | 2011-05-17 | 2012-01-18 | 福建省电力有限公司泉州电业局 | Road wheel suitable for walking of live wires |
| CN203883427U (en) * | 2014-06-19 | 2014-10-15 | 乐清市金固金具有限公司 | Vibration damper |
| EP2824786A2 (en) * | 2012-03-09 | 2015-01-14 | SBI Connectors España, S.A. | Vibration damper for an aerial cable or conductor |
| CN204615333U (en) * | 2015-04-01 | 2015-09-02 | 武汉大学 | A kind of novel spring stockbridge damper |
| CN204928042U (en) * | 2015-06-29 | 2015-12-30 | 安徽威龙电力器材有限公司 | Weight piece with semi -circular boss and recess |
| CN206097975U (en) * | 2016-08-29 | 2017-04-12 | 中山市力鑫电线有限公司 | Optoelectrical composite antidetonation HDMI connecting wire |
| CN210577685U (en) * | 2019-11-05 | 2020-05-19 | 四川新能电力有限公司 | Quick sectional fixture of stockbridge damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2745364B1 (en) * | 2011-08-17 | 2016-06-15 | Corning Optical Communications LLC | Suspension clamp for cables having a preferential bend |
-
2020
- 2020-11-20 CN CN202011313800.0A patent/CN112467667B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB886482A (en) * | 1959-08-26 | 1962-01-10 | Schwitzer Corp | Cable vibration damper |
| CN201247939Y (en) * | 2008-06-18 | 2009-05-27 | 辽宁省电力有限公司营口供电公司 | Anti-dance weight dropper of high voltage overhead transmission line |
| CN101944713A (en) * | 2010-07-22 | 2011-01-12 | 重庆大学 | Split conductor anti-galloping device |
| CN202121253U (en) * | 2011-05-17 | 2012-01-18 | 福建省电力有限公司泉州电业局 | Road wheel suitable for walking of live wires |
| EP2824786A2 (en) * | 2012-03-09 | 2015-01-14 | SBI Connectors España, S.A. | Vibration damper for an aerial cable or conductor |
| CN203883427U (en) * | 2014-06-19 | 2014-10-15 | 乐清市金固金具有限公司 | Vibration damper |
| CN204615333U (en) * | 2015-04-01 | 2015-09-02 | 武汉大学 | A kind of novel spring stockbridge damper |
| CN204928042U (en) * | 2015-06-29 | 2015-12-30 | 安徽威龙电力器材有限公司 | Weight piece with semi -circular boss and recess |
| CN206097975U (en) * | 2016-08-29 | 2017-04-12 | 中山市力鑫电线有限公司 | Optoelectrical composite antidetonation HDMI connecting wire |
| CN210577685U (en) * | 2019-11-05 | 2020-05-19 | 四川新能电力有限公司 | Quick sectional fixture of stockbridge damper |
Non-Patent Citations (2)
| Title |
|---|
| 输电线路导线的振动和防振;王藏柱等;《电力情报》;20020330(第01期);第69-70页 * |
| 输电线路常见故障分析与检测方法综述;吕志宁;《自动化与仪器仪表》;20200125(第01期);第161-164页 * |
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| CN112467667A (en) | 2021-03-09 |
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