CN104078908A - Liquid-filled anti-vibration hammer capable of frequency modulation - Google Patents
Liquid-filled anti-vibration hammer capable of frequency modulation Download PDFInfo
- Publication number
- CN104078908A CN104078908A CN201410282643.XA CN201410282643A CN104078908A CN 104078908 A CN104078908 A CN 104078908A CN 201410282643 A CN201410282643 A CN 201410282643A CN 104078908 A CN104078908 A CN 104078908A
- Authority
- CN
- China
- Prior art keywords
- cantilever
- metal rod
- vibration
- metal
- frequency
- 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.)
- Pending
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a liquid-filled anti-vibration hammer capable of frequency modulation. The liquid-filled anti-vibration hammer comprises a clamp head for connecting cables and is characterized in that the two edges of the clamp head are connected with cantilever metal rod pieces with the telescopic function respectively, the tail ends of the cantilever metal rod pieces are provided with metal balls with sealing cavities, metal balls are filled with damping fluid, and metal sealing plugs are arranged on the metal balls. According to the liquid-filled anti-vibration hammer, through arrangement of the cantilever metal rod pieces with the telescopic function, frequency modulation of the anti-vibration hammer within a certain frequency range is achieved, the frequency of the anti-vibration hammer is close to the vibration main frequency of an electric transmission line through frequency modulation, so that the efficient vibration absorption and anti-vibration effects are achieved, and better adaptability to and flexibility of the use environment of the electric transmission line are achieved; meanwhile, the metal balls are filled with the damping fluid, and thus vibration absorption and vibration reduction performance of the anti-vibration hammer is remarkably improved.
Description
Technical field
The invention belongs to electric power protection gold utensil technical field, be specifically related to a kind of Frequency Adjustable formula topping up stockbridge damper.
Background technology
Stockbridge damper is mainly applicable on high-voltage power line conductive line, overhead ground wire or other long lines; its effect is in the time of long line generation aeolian vibration; the stockbridge damper being suspended on long line produces relative motion; sponge the vibrational energy of wire, thereby the long line of protection can not break down because of external force vibration.But the frequency of stockbridge damper is changeless in prior art, can not be adjusted into optimum state with the change of transmission line structure parameter and stockbridge damper installation site, have a strong impact on absorbing and the vibration-isolating effect of stockbridge damper.
Summary of the invention
The object of this invention is to provide a kind of Frequency Adjustable formula topping up stockbridge damper, be intended to solve in prior art that the frequency of stockbridge damper immobilizes and traditional stockbridge damper absorbing, the poor problem of vibration-isolating effect, damping fluid is housed and can realizes the Novel shockproof hammer of frequency modulation, be mainly used in absorbing, the vibrationproof of ultra-high-tension power transmission line.
Be to overcome the deficiencies in the prior art, a kind of topping up stockbridge damper that utilizes telescopic arm frequency modulation is provided
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of Frequency Adjustable formula topping up stockbridge damper, comprise the chuck for connection cable, it is characterized in that: described chuck both sides are connected with respectively the cantilever metal rod with Telescopic, the end setting of cantilever metal rod has the Metal Ball of annular seal space, in described Metal Ball, be provided with damping fluid, in Metal Ball, be provided with metal plug.
Further, described cantilever metal rod comprises the fixed lever that is fixedly connected with chuck, is arranged on the positioning and fastening apparatus on fixed lever and is inserted into the slide bar in positioning and fastening apparatus, and described slide bar is located on fixed lever by positioning and fastening apparatus adapter sleeve.
Further, described Metal Ball is connected with the end of cantilever metal rod by welding, and the top of Metal Ball is provided with semi-circular recesses, and the semi-circular recesses at cantilever metal rod embedding Metal Ball top is interior and be welded as a whole with cantilever metal rod.
Further, on the slide bar of described cantilever metal rod, be provided with scale.
Further, described positioning and fastening apparatus comprises the securing member on positioning pipe and positioning pipe.
Frequency Adjustable formula topping up stockbridge damper provided by the invention, there is the cantilever metal rod of Telescopic by setting, utilize the flexible technology of cantilever to realize stockbridge damper frequency modulation within the scope of certain frequency, in the time that cantilever metal rod extends, the frequency of stockbridge damper reduces, when cantilever metal rod shortens, the frequency of stockbridge damper increases, can make the frequency approach of stockbridge damper in the main frequency of vibration of transmission line by frequency modulation, thereby play efficient absorbing and antihunt action, therefore can there is better adaptability and flexibility to the environment for use of transmission line.The present invention adopts this kind of novel frequency modulation stockbridge damper, can realize and the mating of the own parameter of transmission line, thereby effectively suppress the vibration of transmission line; Simultaneously, the present invention arranges damping fluid in Metal Ball, it is combined with the damping fluid having compared with high damping coefficient, and then significantly improve the absorbing damping property of stockbridge damper, alleviate more significantly the vibration of the transmission line causing due to other factors such as wind loads, be provided with semi-circular recesses at the top of Metal Ball and be welded as a whole with cantilever metal rod, can reach the object that cantilever metal rod is firmly connected with Metal Ball.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention Frequency Adjustable formula topping up stockbridge damper;
Fig. 2 is A-A cutaway view in Fig. 1;
Wherein, 1, chuck, 2, cantilever metal rod, 2-1, fixed lever, 2-2, positioning and fastening apparatus, 2-3, slide bar, 3, Metal Ball, 4, damping fluid, 5, semi-circular recesses, 6, scale, 7, metal plug.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the structure of Frequency Adjustable formula topping up stockbridge damper provided by the invention.For convenience of explanation, only show part related to the present invention.
Frequency Adjustable formula topping up stockbridge damper of the present invention, comprise the chuck 1 for connection cable, chuck 1 both sides are connected with respectively the cantilever metal rod 2 with Telescopic, the end setting of cantilever metal rod 2 has the Metal Ball 3 of annular seal space, in Metal Ball 3, be provided with damping fluid 4, in Metal Ball 3, be provided with metal plug 7.
As a prioritization scheme of the embodiment of the present invention, cantilever metal rod 2 comprises the fixed lever 2-1 that is fixedly connected with chuck 1, is arranged on the positioning and fastening apparatus 2-2 on fixed lever and is inserted into the slide bar 2-3 in positioning and fastening apparatus 2-2, and slide bar 2-3 is located on fixed lever 2-1 by positioning and fastening apparatus 2-2 adapter sleeve
As a prioritization scheme of the embodiment of the present invention, Metal Ball 3 is connected with the end of cantilever metal rod 2 by welding, the top of Metal Ball 3 is provided with semi-circular recesses 5, and cantilever metal rod 2 embeds in the semi-circular recesses 5 at Metal Ball 3 tops and is welded as a whole with cantilever metal rod 2.
As a prioritization scheme of the embodiment of the present invention, on the slide bar 2-3 of cantilever metal rod 2, be provided with scale 6
As a prioritization scheme of the embodiment of the present invention, positioning and fastening apparatus 2-2 comprises the securing member on positioning pipe and positioning pipe.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As Figure 1-Figure 2, the Frequency Adjustable formula topping up stockbridge damper of the embodiment of the present invention, comprise the chuck 1 for connection cable, chuck 1 both sides are connected with respectively the cantilever metal rod 2 with Telescopic, the end setting of cantilever metal rod 2 has the Metal Ball 3 of annular seal space, in Metal Ball 3, be provided with damping fluid 4, in Metal Ball 3, be provided with metal plug 7.
This cantilever metal rod 2 comprises the fixed lever 2-1 that is fixedly connected with chuck 1, is arranged on the positioning and fastening apparatus 2-2 on fixed lever and is inserted into the slide bar 2-3 in positioning and fastening apparatus 2-2, and slide bar 2-3 is located on fixed lever 2-1 by positioning and fastening apparatus 2-2 adapter sleeve.
Metal Ball 3 is connected with the end of cantilever metal rod 2 by welding, the top of Metal Ball 3 is provided with semi-circular recesses 5, cantilever metal rod 2 embeds in the semi-circular recesses 5 at Metal Ball 3 tops and is welded as a whole with cantilever metal rod 2, thereby reaches slide bar 2-3 and the fixed object of Metal Ball 3.
On the slide bar 2-3 of cantilever metal rod 2, be provided with scale 6
Positioning and fastening apparatus 2-2 comprises the securing member on positioning pipe and positioning pipe.
The Frequency Adjustable formula topping up stockbridge damper of the embodiment of the present invention, by fixed lever 2-1, the cantilever metal rod 2 with Telescopic of positioning and fastening apparatus 2-2 and slide bar 2-3 composition, chuck 1, cantilever metal rod 2 and Metal Ball 3 have formed the cantilever design of a free end band lumped mass, the length of cantilever metal rod 2 is longer, rigidity is less, frequency naturally will be lower, otherwise, the length of cantilever metal rod 2 is shorter, rigidity is larger, frequency will increase, length by cantilever metal rod 2 is to change the distance between Metal Ball 3 and chuck 1, effectively realize stockbridge damper frequency modulation.In the time that cantilever metal rod 2 brachiums reach maximum, the frequency of stockbridge damper removes the limit.Otherwise, when cantilever metal rod 2 is reduced to the most in short-term, the frequency capping of stockbridge damper.The length of controlling cantilever can realize any adjustment of stockbridge damper frequency between upper and lower limit, and the lip-deep scale 6 of slide bar 2-3 facilitates the adjustment of frequency.Damping fluid 4 in Metal Ball 3 is not only for the free end of cantilever metal rod 2 provides weight, and due to the existence of damping, also can play obvious passive energy dissipation effect to the vibration of transmission pressure.The present invention can make the frequency approach of stockbridge damper in the main frequency of vibration of transmission line by frequency modulation, thereby plays efficient absorbing and antihunt action, and therefore the present invention has better adaptability and flexibility to the environment for use of transmission line.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a Frequency Adjustable formula topping up stockbridge damper, comprise the chuck (1) for connection cable, it is characterized in that: described chuck (1) both sides are connected with respectively the cantilever metal rod (2) with Telescopic, the end setting of cantilever metal rod (2) has the Metal Ball (3) of annular seal space, in described Metal Ball (3), be provided with damping fluid (4), in Metal Ball (3), be provided with metal plug (7).
2. a kind of Frequency Adjustable formula topping up stockbridge damper according to claim 1, it is characterized in that: described cantilever metal rod (2) comprises the fixed lever (2-1) that is fixedly connected with chuck (1), is arranged on the positioning and fastening apparatus (2-2) on fixed lever and is inserted into the slide bar (2-3) in positioning and fastening apparatus (2-2), described slide bar (2-3) is located on fixed lever (2-1) by positioning and fastening apparatus (2-2) adapter sleeve.
3. a kind of Frequency Adjustable formula topping up stockbridge damper according to claim 1 and 2, it is characterized in that: described Metal Ball (3) is connected with the end of cantilever metal rod (2) by welding, the top of Metal Ball (3) is provided with semi-circular recesses (5), and cantilever metal rod (2) embeds in the semi-circular recesses (5) at Metal Ball (3) top and is welded as a whole with cantilever metal rod (2).
4. a kind of Frequency Adjustable formula topping up stockbridge damper according to claim 3, is characterized in that: on the slide bar (2-3) of described cantilever metal rod (2), be provided with scale (6).
5. a kind of Frequency Adjustable formula topping up stockbridge damper according to claim 2, is characterized in that: described positioning and fastening apparatus (2-2) comprises the securing member on positioning pipe and positioning pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282643.XA CN104078908A (en) | 2014-06-23 | 2014-06-23 | Liquid-filled anti-vibration hammer capable of frequency modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282643.XA CN104078908A (en) | 2014-06-23 | 2014-06-23 | Liquid-filled anti-vibration hammer capable of frequency modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104078908A true CN104078908A (en) | 2014-10-01 |
Family
ID=51600023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410282643.XA Pending CN104078908A (en) | 2014-06-23 | 2014-06-23 | Liquid-filled anti-vibration hammer capable of frequency modulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104078908A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129945A (en) * | 2016-08-30 | 2016-11-16 | 广东电网有限责任公司电力科学研究院 | A kind of damper |
| 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 |
| CN109103836A (en) * | 2018-10-16 | 2018-12-28 | 国家电网公司 | A kind of bilayer damper |
| CN109139773A (en) * | 2018-10-22 | 2019-01-04 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of the vibratory equipment low frequency spectrum lines vibration absorber and its oscillation damping method of Frequency Adjustable |
| CN109347037A (en) * | 2018-10-19 | 2019-02-15 | 中铁大桥科学研究院有限公司 | A kind of impact energy consumption damper |
| CN109687293A (en) * | 2019-01-04 | 2019-04-26 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
| CN112582962A (en) * | 2019-09-27 | 2021-03-30 | 中国电力科学研究院有限公司 | Damper and method for determining medium quality of damping fluid in damper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859994A (en) * | 2009-04-09 | 2010-10-13 | 中国电力科学研究院 | Semi-active vibration isolator of overhead power transmission line and semi-active vibration isolation method |
| JP2012005203A (en) * | 2010-06-15 | 2012-01-05 | Tokyo Electric Power Co Inc:The | Double torsional damper |
| CN202535011U (en) * | 2012-02-15 | 2012-11-14 | 广东电网公司电力科学研究院 | Novel electric transmission line vibration damper with damping fluid |
| CN202840432U (en) * | 2012-08-22 | 2013-03-27 | 中国电力科学研究院 | Bell jar type vibration-proof hammer |
| JP2013188064A (en) * | 2012-03-09 | 2013-09-19 | Furukawa Electric Power Systems Co Ltd | Double torsional damper |
| CN203395065U (en) * | 2013-07-18 | 2014-01-15 | 北京明航技术研究所 | Mechanical adjustable-frequency dynamic vibration absorber |
-
2014
- 2014-06-23 CN CN201410282643.XA patent/CN104078908A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859994A (en) * | 2009-04-09 | 2010-10-13 | 中国电力科学研究院 | Semi-active vibration isolator of overhead power transmission line and semi-active vibration isolation method |
| JP2012005203A (en) * | 2010-06-15 | 2012-01-05 | Tokyo Electric Power Co Inc:The | Double torsional damper |
| CN202535011U (en) * | 2012-02-15 | 2012-11-14 | 广东电网公司电力科学研究院 | Novel electric transmission line vibration damper with damping fluid |
| JP2013188064A (en) * | 2012-03-09 | 2013-09-19 | Furukawa Electric Power Systems Co Ltd | Double torsional damper |
| CN202840432U (en) * | 2012-08-22 | 2013-03-27 | 中国电力科学研究院 | Bell jar type vibration-proof hammer |
| CN203395065U (en) * | 2013-07-18 | 2014-01-15 | 北京明航技术研究所 | Mechanical adjustable-frequency dynamic vibration absorber |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129945A (en) * | 2016-08-30 | 2016-11-16 | 广东电网有限责任公司电力科学研究院 | A kind of damper |
| CN106129945B (en) * | 2016-08-30 | 2018-11-16 | 广东电网有限责任公司电力科学研究院 | A kind of damper |
| 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 |
| CN109103836A (en) * | 2018-10-16 | 2018-12-28 | 国家电网公司 | A kind of bilayer damper |
| CN109103836B (en) * | 2018-10-16 | 2022-05-27 | 国家电网公司 | Double-layer damper |
| CN109347037A (en) * | 2018-10-19 | 2019-02-15 | 中铁大桥科学研究院有限公司 | A kind of impact energy consumption damper |
| CN109139773A (en) * | 2018-10-22 | 2019-01-04 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of the vibratory equipment low frequency spectrum lines vibration absorber and its oscillation damping method of Frequency Adjustable |
| CN109687293A (en) * | 2019-01-04 | 2019-04-26 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
| CN109687293B (en) * | 2019-01-04 | 2024-03-01 | 国网新疆电力有限公司电力科学研究院 | Steel pipe lightning rod for reducing wind vibration |
| CN112582962A (en) * | 2019-09-27 | 2021-03-30 | 中国电力科学研究院有限公司 | Damper and method for determining medium quality of damping fluid in damper |
| CN112582962B (en) * | 2019-09-27 | 2023-09-08 | 中国电力科学研究院有限公司 | Damper and method for determining mass of damping liquid medium in damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104078908A (en) | Liquid-filled anti-vibration hammer capable of frequency modulation | |
| CN103594997B (en) | A kind of spring shock absorption type interphase anti-galloping moves conductor spacer | |
| CN105552813A (en) | Collision energy-dissipation spacing rod | |
| CN205882636U (en) | Overhead power line protects gold utensil | |
| CN104682308A (en) | Universal vibration absorption ball | |
| CN203589658U (en) | Spring damping type interphase anti-galloping spacer | |
| CN203119416U (en) | Rotatable vibration-preventing hammer | |
| CN203632172U (en) | Universal shock-absorbing ball with built-in spring | |
| CN203660297U (en) | Shock absorption connecting device for transformer substation | |
| CN213717513U (en) | High-strength anti-seismic cable protection pipe | |
| CN105048387A (en) | Generating vibration damper and anti-vibration generating device for overhead transmission line | |
| CN211266333U (en) | Wire and cable shock absorption support | |
| CN105337234A (en) | Electric vibration damper applying shear thickening fluid | |
| CN203760992U (en) | Double spring end part vibration reducing type spacing rod | |
| CN202326901U (en) | Damping insulating device | |
| CN203774728U (en) | Pre-twisted damping wire | |
| CN103825201B (en) | A kind of transformer station damped junction device | |
| CN203119415U (en) | Shockproof hammer | |
| CN207977706U (en) | A kind of easy to disassemble and fixed gold utensil of insulator | |
| CN204258234U (en) | A kind of preformed inter-phase spacer | |
| CN203895920U (en) | Pre-twisting-type damper | |
| CN203312739U (en) | Inter-phase damping rotation spacer | |
| CN205016961U (en) | Insulating cast shock attenuation bus duct | |
| CN207518242U (en) | A kind of high-voltage line protection gold utensil | |
| CN216353487U (en) | Composite cable with good buffering effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |
|
| WD01 | Invention patent application deemed withdrawn after publication |