CN104600648B - Power line vibration damping - Google Patents
Power line vibration damping Download PDFInfo
- Publication number
- CN104600648B CN104600648B CN201510092307.3A CN201510092307A CN104600648B CN 104600648 B CN104600648 B CN 104600648B CN 201510092307 A CN201510092307 A CN 201510092307A CN 104600648 B CN104600648 B CN 104600648B
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- CN
- China
- Prior art keywords
- vibration damper
- damper bar
- connecting rod
- cable
- sensing cylinder
- 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.)
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000004907 flux Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
Landscapes
- Insulators (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of power line vibration damping, this power line vibration damping mainly includes vibration damper bar, sensing cylinder and connecting rod；The link rotatable is set on a fixed rotating shaft, and the fixed rotating shaft is arranged on shaft tower；One end of the connecting rod fastens in a ring to be set on cable, and the other end is fixedly connected with vibration damper bar；The vibration damper bar is made for permanent-magnet material, the magnetic field of the permanent-magnet material and the diameter parallel of vibration damper bar；The vibration damper bar is vertical with the plane where the connecting rod and cable；It is arranged with a sensing cylinder respectively at the both ends of the vibration damper bar, each sensing cylinder is not exposed at the both ends of the vibration damper bar；The vibration damper bar does not contact with each sensing cylinder；Each sensing cylinder is the coaxial closing coil of cluster, and each sensing cylinder is fixedly mounted on shaft tower；This power line vibration damping can effectively slow down the vibration that cable passes to shaft tower, effectively prevent shaft tower loosened screw；Reduce the abrasion between cable and shaft tower simultaneously, extend the service life of cable and shaft tower.
Description
Technical field
The present invention relates to a kind of power line fittings, is a kind of power line vibration damping particularly.
Background technology
To realize long distance power transmission efficiently, easy, more common at present is to use overhead line；Overhead line will by shaft tower
Cable support connects up in certain altitude in the air so as to realize；This wire laying mode does not interfere with the traffic on ground, while ratio will
It is time saving and energy saving that cable is embedded in underground；Due to the heavier mass of cable in itself, it is therefore desirable to build a shaft tower in certain span；
Because erecting cable is in high-altitude, the wind-force in high-altitude is more aggressive, and cable swings back and forth under the action of the forces of the wind, and this swing is delivered to
With screw relative displacement occurs for meeting driven rod tower vibrations after shaft tower, the screw that this vibration will make on shaft tower, and long-term vibration will
Make the loosened screw on shaft tower, larger potential safety hazard be present；The swing of this outer cable can also aggravate cable and shaft tower junction
Abrasion so that the service life of cable substantially reduces；When there is strong wind weather, cable is easily broken off in fray, occurred
It is dangerous.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of power line vibration damping, this power line vibration damping can effectively slow down electricity
Cable passes to the vibration of shaft tower, effectively prevents shaft tower loosened screw；Reduce the abrasion between cable and shaft tower simultaneously, extend cable
With the service life of shaft tower.
To solve the above problems, the technical solution adopted in the present invention is：This power line vibration damping mainly includes vibration damping
Rod, sensing cylinder and connecting rod；The link rotatable is set on a fixed rotating shaft, and the fixed rotating shaft is arranged on shaft tower；It is described
One end of connecting rod fastens in a ring to be set on cable, and the other end is fixedly connected with vibration damper bar；The vibration damper bar does for permanent-magnet material
Into the magnetic field of the permanent-magnet material and the diameter parallel of vibration damper bar；The vibration damper bar hangs down with the plane where the connecting rod and cable
Directly；It is arranged with a sensing cylinder respectively at the both ends of the vibration damper bar, each sensing cylinder is not exposed at the both ends of the vibration damper bar；
The vibration damper bar does not contact with each sensing cylinder；Each sensing cylinder is the coaxial closing coil of cluster, each sensing cylinder
It is fixedly mounted on shaft tower.
The beneficial effects of the invention are as follows：The end fastening of connecting rod in a ring is set on cable when installing cable, should
End is swung with cable synchronizing；The link rotatable is set on the fixed rotating shaft, and now the fixed rotating shaft turns into the company
The fulcrum of bar, when the annular end of connecting rod is swung, same frequency backswing, and the amplitude of oscillation and branch are done in one end of connecting rod connection vibration damper bar
The distance of point to connecting rod two end is proportional；Each vibration damper bar is swung, and the both ends of vibration damper bar penetrate or exited sensing cylinder；Due to vibration damping
Rod is made for permanent-magnet material, and when vibration damper bar passes in and out sensing cylinder every time, the magnetic flux sensed in cylinder will change, and be determined according to Lenz
Rule, each sensing cylinder will produce the magnetic field opposite with the vibration damper bar magnetic pole to hinder the disengaging of vibration damper bar, and then subtract
Shake the amplitude of oscillation of rod, the inhibition is fed back on cable by connecting rod, so as to weaken the swing of cable, and then weakens cable transmission
To the vibration of shaft tower, the final service life for extending shaft tower, reduce cable and the abrasion of shaft tower junction.
Preferably, the vibration damper bar is circular arc magnetism stick, the radius of the circular arc and fixed rotating shaft to vibration damper bar away from
From equal, while the shape of each sensing cylinder and the shape of vibration damper bar match；The structure ensures that vibration damper bar is put with cable
When dynamic, vibration damper bar moves reciprocatingly along the axis of itself all the time；So as to increase the change of the magnetic flux in sensing cylinder, and then improve
Effectiveness in vibration suppression.
Buckled preferably, 0 word is made in the end of the connecting rod in a ring, rubber is installed on the internal perisporium of the 0 word button
Rubber cushion, the aperture of the annulus of rubber blanket composition are less than the outside diameter of cable；Lubricating oil is coated with the rubber ring；The structure is easy to electricity
The line of force vibration damping installation, adjustment and dismounting, can ensure that connecting rod is firmly fastened on cable, at the same rubber ring play it is anti-loosening
Effect.
Preferably, on the connecting rod, the opening position of fixed rotating shaft to vibration damper bar is provided with retractable drawbar structure；So as to
In the length in initially installation power line vibration damping period of the day from 11 p.m. to 1 a.m regulation connecting rod, make the effectiveness in vibration suppression of this power line vibration damping most reasonable.
As further preferred, the retractable drawbar structure is hydraulic mechanism, is provided with the external stability of connecting rod closed
Liquid storage chamber, the liquid storage chamber connect with opening up the compression chamber in connecting rod by the way that inlet opening is closed；Closed after regulation connecting rod to appropriate length
Close inlet opening, you can fixed length of telescopic bar.
Brief description of the drawings
Fig. 1 is the structural representation of the sub- one embodiment of this power line vibration damping.
Fig. 2 is the structural representation that embodiment illustrated in fig. 1 is arranged on shaft tower.
Embodiment
Embodiment
In the embodiment shown in Fig. 1, Fig. 2, this power line vibration damping mainly includes vibration damper bar 2, sensing cylinder 3 and connecting rod
1；The connecting rod 1 is rotated and is set on a fixed rotating shaft 4, and the fixed rotating shaft 4 is fixedly mounted on shaft tower 7；The connecting rod 1
One end is made 0 word button 11 and fastened and is fastened on cable 6, and the other end is fixedly connected with vibration damper bar 2；In the inner circumferential of the 0 word button 11
Rubber blanket is installed, the aperture of the annulus of rubber blanket composition is less than the external diameter of cable 6 on wall；Lubrication is coated with the rubber ring
Oil, in order to reduce the friction between cable 6 and connecting rod 1, and then extend the service life of connecting rod 1；On the connecting rod 1, Gu
Determine rotating shaft 4 and retractable drawbar structure is installed to the opening position of vibration damper bar 2, the Tiebar structure can be similar to and be stretched by diversified forms
Umbrella rod structure in contracting umbrella, and carry tight locking button；Can also be by hydraulic stop, such as small-sized traditional mechanical arm, in the outer of connecting rod 1
Portion is provided with closed liquid storage chamber 5, and the liquid storage chamber connects with the compression chamber 52 in connecting rod 1 by the way that inlet opening 51 is closed；When being retractable to
Inlet opening 51 is closed after appropriate length, now liquor capacity is fixed in connecting rod, and length of telescopic bar is fixed；The vibration damper bar 2 is forever
Magnetic material is made, the magnetic field of the permanent-magnet material and the diameter parallel of vibration damper bar 2, the vibration damper bar 2 and the connecting rod 1 and cable 6
The plane at place is vertical；The vibration damper bar 2 is circular arc magnetism stick, the radius of the circular arc and fixed rotating shaft 4 to vibration damper bar 2 away from
From equal；It is arranged with a sensing cylinder 3 respectively at the both ends of the vibration damper bar 2, the both ends of the vibration damper bar 2 are not exposed each described
Sense cylinder 3, the shape and the shape of vibration damper bar 2 of each sensing cylinder 3 match；The vibration damper bar 2 and each sensing cylinder 3 are not
Contact；Each sensing cylinder 3 is the coaxial closing coil of cluster, and each sensing cylinder 3 is fixedly mounted on shaft tower 7.
0 word is opened after cable 6 is installed and buckles 11, the fastening of connecting rod 1 is set on cable 6, due to rubber blanket composition
The aperture of annulus is less than the external diameter of cable 6, therefore connecting rod 1 is firmly fastened on cable 6, and the end of connecting rod 1 is same with cable 6
Step is swung；It is set in because the connecting rod 1 rotates on the fixed rotating shaft 4, now the fixed rotating shaft 4 turns into the connecting rod 1
Fulcrum, when the annular end of connecting rod 1 is swung, same frequency backswing, and the amplitude of oscillation and branch are done in one end that connecting rod 1 connects vibration damper bar 2
The distance at point to the both ends of connecting rod 1 is proportional；Each vibration damper bar 2 is swung, and the both ends of vibration damper bar 2 penetrate or exited sensing cylinder 3；Due to
Vibration damper bar 2 is made for permanent-magnet material, and when vibration damper bar 2 passes in and out sensing cylinder 3 every time, the magnetic flux sensed in cylinder 3 will change, root
According to Lenz's law, each sensing cylinder 3 will produce the magnetic field opposite with the magnetic pole of vibration damper bar 2 to hinder the disengaging of vibration damper bar 2,
And then reducing the amplitude of oscillation of vibration damper bar 2, the inhibition is fed back on cable 6 by connecting rod 1, so as to weaken the swing of cable 6, entered
And weaken the vibration that cable 6 passes to shaft tower 7, the final service life for extending shaft tower 7, reduce cable 6 and the junction of shaft tower 7
Abrasion.
In initial installation, according to the height of the installation of cable 6 and install from different places, regulation connecting rod 1 to suitable length
Degree, length cross the twisting resistance of conference increase connecting rod 1, reduce the service life of connecting rod 1；Length is too small, and power line vibration damping subtracts
Shake DeGrain；When connecting rod 1 is in suitable length, the vibration for the decrease shaft tower 7 that this power line vibration damping can make laughs,
Possess longer usage time simultaneously.
The vibration damper bar 2 does magnetism stick in the arc-shaped, and the structure ensures vibration damper bar 2 when being swung with cable 6, vibration damper bar
2 move reciprocatingly along the axis of itself all the time；Therefore the magnetic flux in sensing cylinder 3 will vary widely, and then increase sensing
The inhibition of 3 pairs of vibration damper bars 2 of cylinder, so as to improve effectiveness in vibration suppression.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (3)
1. a kind of power line vibration damping, this power line vibration damping mainly include vibration damper bar (2), sensing cylinder (3) and connecting rod (1)；
The connecting rod (1) is rotated and is set on a fixed rotating shaft (4), and the fixed rotating shaft (4) is arranged on shaft tower (7)；The connecting rod
(1) one end fastens in a ring to be set on cable (6), and the other end is fixedly connected with vibration damper bar (2)；The vibration damper bar (2) is forever
Magnetic material is made, the magnetic field of the permanent-magnet material and the diameter parallel of vibration damper bar；The vibration damper bar (2) and the connecting rod (2) and electricity
Plane where cable (6) is vertical；It is arranged with a sensing cylinder (3) respectively at the both ends of the vibration damper bar, the vibration damper bar (2)
Each sensing cylinder (3) is not exposed in both ends；The vibration damper bar (2) does not contact with each sensing cylinder (3)；Each sensing cylinder
(3) it is the coaxial closing coil of cluster, each sensing cylinder (3) is fixedly mounted on shaft tower (7)；
The end of the connecting rod (1) in a ring makes 0 word and buckles (11), and rubber is provided with the internal perisporium of the 0 word button (11)
Pad, the aperture of the annulus of rubber blanket composition are less than cable (6) external diameter；Lubricating oil is coated with the rubber ring；In the connecting rod
(1) on, the opening position of fixed rotating shaft (4) to vibration damper bar (2) is provided with retractable drawbar structure；The retractable drawbar structure is Telescope umbrella
In umbrella rod structure and carry tight locking button, or to pass through small-sized traditional mechanical arm of hydraulic stop.
2. power line vibration damping according to claim 1, it is characterised in that：The vibration damper bar (2) is circular arc magnetism stick,
The radius of the circular arc is equal with the distance of fixed rotating shaft (4) to vibration damper bar (2), while the shape of each sensing cylinder (3) is with subtracting
The shape of rod (2) of shaking matches.
3. power line vibration damping according to claim 2, it is characterised in that：The retractable drawbar structure is hydraulic mechanism,
Closed liquid storage chamber (5) is installed in the external stability of connecting rod (1), the closed liquid storage chamber (5) is with opening up the compression chamber in connecting rod
(52) inlet opening (51) closed connection is passed through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092307.3A CN104600648B (en) | 2015-03-02 | 2015-03-02 | Power line vibration damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092307.3A CN104600648B (en) | 2015-03-02 | 2015-03-02 | Power line vibration damping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104600648A CN104600648A (en) | 2015-05-06 |
| CN104600648B true CN104600648B (en) | 2017-12-12 |
Family
ID=53126260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510092307.3A Active CN104600648B (en) | 2015-03-02 | 2015-03-02 | Power line vibration damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600648B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123084B (en) * | 2021-10-29 | 2023-07-21 | 安徽威龙电力器材有限公司 | Adjustable corrosion-resistant hammer suitable for coastal areas and implementation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE754741A (en) * | 1969-08-14 | 1971-01-18 | Burndy Corp | CABLE SHOCK ABSORBER FOR TRANSMISSION LINES |
| CN201639246U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | Energy absorption device for preventing transmission conductor from vibrating |
| CN101820151B (en) * | 2010-04-19 | 2012-11-21 | 河北省电力研究院 | Device for preventing conductor from dancing and producing damage to iron tower |
| CN204376346U (en) * | 2015-03-02 | 2015-06-03 | 朱金凤 | Power line vibration damping |
-
2015
- 2015-03-02 CN CN201510092307.3A patent/CN104600648B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104600648A (en) | 2015-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Li Inventor before: Zhu Jinfeng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171018 Address after: 362421 No. 112, Fu Xiang, Fu Xiang Village, Anxi, Fujian Applicant after: Zhang Li Address before: 323902 Zhejiang city of Lishui province Qingtian County Fu Shan Zhoucun No. 119 Applicant before: Zhu Jinfeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 362100 No.2 Shop, 350m North, Chitu Village Committee, Zishan Town, Hui'an County, Quanzhou City, Fujian Province Patentee after: Huian forever Machinery Co., Ltd. Address before: 362421 No. 112, Fu Xiang, Fu Xiang Village, Anxi, Fujian Patentee before: Zhang Li |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20200331 Address after: 213000 No. 88, Xing Wang Road, referring to the former Hong Kong Park, Jintan District, Changzhou, Jiangsu. Patentee after: Jiangsu Huabin New Material Co., Ltd Address before: 362100 No.2 Shop, 350m North, Chitu Village Committee, Zishan Town, Hui'an County, Quanzhou City, Fujian Province Patentee before: HUIAN YONGHENG MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |