CN203883426U - Vibration damper for power transmission line - Google Patents
Vibration damper for power transmission line Download PDFInfo
- Publication number
- CN203883426U CN203883426U CN201420327720.4U CN201420327720U CN203883426U CN 203883426 U CN203883426 U CN 203883426U CN 201420327720 U CN201420327720 U CN 201420327720U CN 203883426 U CN203883426 U CN 203883426U
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- China
- Prior art keywords
- wire
- wire clamp
- steel strand
- hammer body
- transmission line
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- 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.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 20
- 239000004917 carbon fiber Substances 0.000 claims description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 10
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000010358 mechanical oscillation Effects 0.000 description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 3
- 230000037237 body shape Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a vibration damper for a power transmission line. According to the vibration damper, a ring sleeve with springs in different lengths sleeves a damper body. Such design provides the vibration damper with multiple resonant frequencies in a vibration process. Therefore, the vibration damper may satisfy a requirement for dissipating breeze vibration energy with different resonant frequencies and is good in energy dissipation.
Description
Technical field
The utility model relates to the gentle breeze vibrationproof field of transmission line, particularly, relates to the stockbridge damper for transmission line.
Background technology
The aerial conducting wire that set up on highland is because the impact of aerial air-flow easily causes mechanical oscillation phenomenon, and mechanical oscillation cause that with gentle breeze the oscillation phenomenon of generation is the most frequent, this vibration usually causes short strand of the fatigue of wire, and then has influence on safe operation and the Financial cost of whole transmission line.
The actual wind speed that causes conductor vibration is also little, but it is longer to vibrate the lasting time, is generally a few hours, sometimes can reach a couple of days, thereby prevent from or reduce this vibration seeming particularly important for actual transmission of electricity demand.Prevent or reduce this vibration, just need to first understand and cause the needed characteristic of this vibration.General wind speed is steady, and wind direction is perpendicular to overhead transmission line, and aeolian vibration just more easily occurs, and landform open area also easily produces aeolian vibration in addition.For reducing the aeolian vibration phenomenon of wire, stockbridge damper is often installed on wire.
Although existing stockbridge damper is simple, vibration-isolating effect is not good, is in particular in, the hammer body of stockbridge damper swings up and down wire that the energy consumption bringing causes that wind brings, and to swing energy loss little, the mechanical oscillation that can not effectively disperse wire.For this problem, the utility model has been designed the stockbridge damper of the energy of the strong consumption aeolian vibration of a kind of energy.
Utility model content
Technical problem to be solved in the utility model is to provide the stockbridge damper for transmission line, on the hammer body of this stockbridge damper setting, be provided with ring set, on ring set, be also provided with the spring of carbon fiber material, what make whole stockbridge damper can anticorrosion, anti-lightning strike, and the setting of multiple springs can be in aeolian vibration, because multiple spring vibration kinetic energy provides the vibration of multiple different frequencies, expand the frequency response width of whole stockbridge damper, thereby can consume the different frequency energy of aeolian vibration, play the object of vibrationproof.
The technical scheme in the invention for solving the above technical problem is:
For the stockbridge damper of transmission line, comprise wire clamp, steel strand wire, hammer body, wire clamp comprises wire clip body, wire clamp cover plate, wire clamp lower end, and wire clamp spiral shell bullet pad, the inner face of wire clip body upper end is arc, the inner face of wire clamp cover plate upper end is arc groove, the upper end interlock of the upper end of wire clip body and wire clamp cover plate forms perforation under an annular and passes for cable, wire clamp spiral shell bullet pad through wire clip body lower end and wire clamp cover plate lower end to adjust the degree of engagement of wire clip body and the wire clamp cover plate cable that is locked, wire clamp lower end is connected with wire clamp cover plate, wire clamp lower end is provided with the lower perforation of passing for steel strand wire,
Steel strand wire are positioned at the below of wire clamp and are fixedly connected with wire clamp through lower perforation, hammer body is identical 2 and the two ends that are separately positioned on steel strand wire, described hammer body is the narrow hollow ceramic in wide centre, two ends, hammer body is that large centre, two is little, one end away from wire clamp of hammer body is circular arc, on hammer body described in 2, be provided with the ring set being socketed on hammer body, on ring set, be provided with the spring that contains carbon fiber material, spring outside is also connected with circular-arc carbon fiber wall, and described circular-arc carbon fiber wall and number of springs are corresponding one by one.
The advantage of the utility model setting is: hammer body adopts hollow ceramic material to make stockbridge damper more corrosion-resistant, longer service life, the narrow setting in wide centre, hammer body shape two ends can prevent from being arranged on the ring set slippage on hammer body in addition, the spring of the carbon fiber material arranging on ring set can vibrate in aeolian vibration, thereby provide the vibration of multiple different frequency responses to stockbridge damper, and the setting of carbon fiber material can corrosion-resistant and high-temperature resistant, also can not draw thunderbolt, circular-arc carbon fiber wall is connected the vibration that can realize the different frequency responses of spring with spring, if light has spring can not realize the transmission of vibration.
As preferably, spring is more than 2 and 2.The spring being connected on ring set can be for multiple, can ensure so more to cross the vibration of frequency response, thereby expand frequency response width, for the aeolian vibration that there is no certain frequency vibration regularity, can more can adapt to its generation by the enough large Hz-KHz of width, thus the energy of dissipation aeolian vibration that can be more suitable.
As preferably, the length between spring is unequal.The coefficient of elasticity of the unequal such spring of length between spring is different, and elastic force is different, and vibration frequency is also different, make the frequency response between multiple springs different, also further expand frequency response width, more can adapt to the aeolian vibration that frequency is changeable, thereby played the object of Fang Zhen.
As preferably, the number of springs on the ring set arranging on the hammer body described in 2 is not etc.
As preferably, the non-central location that described wire clamp is arranged on steel strand wire is eccentric setting.In the different situation of number of springs on the ring set of both sides, can select the eccentric setting of wire clamp, can either ensure like this balance of stockbridge damper on cable, more frequency vibrations can be provided again, realize the quick dissipation of aeolian vibration energy, make cable can stop fast vibration.
The end of steel strand wire is spiral-shaped.
Steel strand wire passage in the tup of hammer body comprises the straight line portion that the end termination of mushroom cavity is connected with end termination, and the inwall of the straight line portion of steel strand wire passage is spiral-shaped and terminations steel strand wire match.
In the end termination of steel strand wire passage, also having built cement is fixed on steel strand wire in hammer body.
Described ring set can move on hammer body.Can be according to actual needs that ring set is mobile to obtain wider vibration frequency response on hammer body.
To sum up, the beneficial effects of the utility model are:
1, hammer body of the present utility model adopts hollow ceramic material to make stockbridge damper more corrosion-resistant, longer service life, the narrow setting in wide centre, hammer body shape two ends can prevent from being arranged on the ring set slippage on hammer body in addition, the spring of the carbon fiber material arranging on ring set can vibrate in aeolian vibration, thereby provide the vibration of multiple different frequency responses to stockbridge damper, and the setting of carbon fiber material can corrosion-resistant and high-temperature resistant, also can not draw thunderbolt, circular-arc carbon fiber wall is connected the vibration that can realize the different frequency responses of spring with spring, if light has spring can not realize the transmission of vibration,
2, the spring that the utility model is connected on ring set can, for multiple, ensure more to cross the vibration of frequency response, thereby expands frequency response width, adapts to the aeolian vibration of different frequency, thereby dissipates fast aeolian vibration energy;
3, the utility model is simple in structure, cheap, can be used in large-scale production and application.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is local structural graph of the present utility model;
Fig. 3 is local structural graph of the present utility model.
Mark and corresponding parts title in accompanying drawing:
1, wire clamp, 10, wire clip body, 11, wire clamp cover plate, 12, wire clamp spiral shell bullet pad, 13, wire clamp lower end, 2, steel strand wire, 3, hammer body, 4, ring set, 5, spring, 6, circular-arc carbon fiber wall.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but execution mode of the present utility model is not limited to this.
Embodiment 1:
As Fig. 1, shown in Fig. 2 and Fig. 3, for the stockbridge damper of transmission line, comprise wire clamp 1, steel strand wire 2, hammer body 3, wire clamp 1 comprises wire clip body 10, wire clamp cover plate 11, wire clamp lower end 13, and wire clamp spiral shell bullet pad 12, the inner face of wire clip body 10 upper ends is arc, the inner face of wire clamp cover plate 11 upper ends is arc groove, the upper end interlock of the upper end of wire clip body 10 and wire clamp cover plate 11 forms an annular through-hole and passes for cable, wire clamp spiral shell bullet pad 12 through wire clip body 10 lower ends and wire clamp cover plate 11 lower ends to adjust the degree of engagement of wire clip body 10 and wire clamp cover plate 11 cable that is locked, wire clamp lower end 13 is connected with wire clamp cover plate 11, wire clamp lower end 13 is provided with the lower perforation of passing for steel strand wire,
Steel strand wire 2 are positioned at the below of wire clamp 1 and are fixedly connected with wire clamp 1 through lower perforation, hammer body 3 is identical 2 and the two ends that are separately positioned on steel strand wire 2, described hammer body 3 is the narrow hollow ceramic in wide centre, two ends, hammer body 3 is that large centre, two is little, one end away from wire clamp 1 of hammer body 3 is circular arc, on hammer body 3 described in 2, be provided with the ring set 4 being socketed on hammer body 3, on ring set 4, be provided with the spring 5 that contains carbon fiber material, spring 5 outsides are also connected with circular-arc carbon fiber wall 6, and described circular-arc carbon fiber wall 6 and spring 5 quantity are corresponding one by one.
The advantage of the utility model setting is: hammer body 3 adopts hollow ceramic material to make stockbridge damper more corrosion-resistant, longer service life, the hammer body 3 narrow settings in wide centre, shape two ends can prevent from being arranged on ring set 4 slippages on hammer body 3 in addition, the spring 5 of the carbon fiber material arranging on ring set 4 can vibrate in aeolian vibration, thereby provide the vibration of multiple different frequency responses to stockbridge damper, and the setting of carbon fiber material can corrosion-resistant and high-temperature resistant, also can not draw thunderbolt, circular-arc carbon fiber wall 6 is connected the vibration that can realize spring 5 different frequency responses with spring 5, if light has 5, spring can not realize the transmission of vibration.
Embodiment 2
See shown in Fig. 1 and Fig. 2, and embodiment 1 is similar, difference is:
Spring 5 is more than 2 and 2.The spring 5 being connected on ring set 4 can be for multiple, can ensure so more to cross the vibration of frequency response, thereby expand frequency response width, for the aeolian vibration that there is no certain frequency vibration regularity, can more can adapt to its generation by the enough large Hz-KHz of width, thus the energy of dissipation aeolian vibration that can be more suitable.
Embodiment 3
See shown in Fig. 1 and Fig. 2, and embodiment 1 is similar, difference is:
Length between spring 5 is unequal.The coefficient of elasticity of the unequal such spring 5 of length between spring 5 is different, and elastic force is different, and vibration frequency is also different, make the frequency response between multiple springs 5 different, also further expand frequency response width, more can adapt to the aeolian vibration that frequency is changeable, thereby played the object of Fang Zhen.
Embodiment 4
See shown in Fig. 1 and Fig. 2, and embodiment 1 is similar, difference is:
Spring 5 quantity on the ring set 4 arranging on hammer body 3 described in 2 are not etc.
The non-central location that described wire clamp 1 is arranged on steel strand wire 2 is eccentric setting.In the different situation of spring 5 quantity on both sides ring set 4, can select the eccentric setting of wire clamp 1, can either ensure like this balance of stockbridge damper on cable, more frequency vibrations can be provided again, realize the quick dissipation of aeolian vibration energy, make cable can stop fast vibration.
The end of steel strand wire 2 is spiral-shaped.
Steel strand wire 2 passages in the tup of hammer body 3 comprise the straight line portion that the end termination of mushroom cavity is connected with end termination, and the straight line portion of steel strand wire 2 passages is also for spiral-shaped and terminations steel strand wire 2 match.The fastness that the spiral-shaped coupling of steel strand wire 2 and hammer body 3 can be strengthened causing because of phase mutual friction between steel strand wire 2 and hammer body 3 on the one hand connects, the energy that also has on the other hand friction can loss aeolian vibration to pass in vibration because between steel strand wire 2 and hammer body 3, thereby can more play the effect of vibrationproof.
In the end termination of steel strand wire 2 passages, also having built cement is fixed on steel strand wire 2 in hammer body 3.In the mushroom head of the mushroom cavity of steel strand wire 2 passages in hammer body 3, having certain cavity gap can be cast in cement wherein, strengthens the connection between steel strand wire 2 and hammer body 3, prevents that hammer body 3 from coming off from steel strand wire 2.
Ring set 4 can move on hammer body 3.Can be according to actual needs that ring set 4 is mobile to obtain wider vibration frequency response on hammer body 3.
As mentioned above, can realize preferably the utility model.
Claims (9)
1. for the stockbridge damper of transmission line, it is characterized in that, comprise wire clamp (1), steel strand wire (2), hammer body (3), wire clamp (1) comprises wire clip body (10), wire clamp cover plate (11), wire clamp lower end (13), and wire clamp spiral shell bullet pad (12), the inner face of wire clip body (10) upper end is arc, the inner face of wire clamp cover plate (11) upper end is arc groove, the upper end interlock of the upper end of wire clip body (10) and wire clamp cover plate (11) forms perforation under an annular and passes for cable, wire clamp spiral shell bullet pad (12) through wire clip body (10) lower end and wire clamp cover plate (11) lower end to adjust the degree of engagement of wire clip body (10) and wire clamp cover plate (11) cable that is locked, wire clamp lower end (13) is connected with wire clamp cover plate (11), wire clamp lower end (13) is provided with the lower perforation of passing for steel strand wire,
Steel strand wire (2) are positioned at the below of wire clamp (1) and are fixedly connected with wire clamp (1) through lower perforation, hammer body (3) is identical 2 and the two ends that are separately positioned on steel strand wire (2), described hammer body (3) is the narrow hollow ceramic in wide centre, two ends, hammer body (3) is that large centre, two is little, one end away from wire clamp (1) of hammer body (3) is circular arc, on hammer body (3) described in 2, be provided with the ring set (4) being socketed on hammer body (3), on ring set (4), be provided with the spring (5) that contains carbon fiber material, spring (5) outside is also connected with circular-arc carbon fiber wall (6), described circular-arc carbon fiber wall (6) and spring (5) quantity are corresponding one by one.
2. the stockbridge damper for transmission line according to claim 1, is characterized in that, spring (5) is more than 2 and 2.
3. the stockbridge damper for transmission line according to claim 2, is characterized in that, the length between spring (5) is unequal.
4. the stockbridge damper for transmission line according to claim 1, is characterized in that, spring (5) quantity on the upper ring set (4) arranging of hammer body (3) described in 2 is not etc.
5. the stockbridge damper for transmission line according to claim 4, is characterized in that, the non-central location that described wire clamp (1) is arranged on steel strand wire (2) is eccentric setting.
6. according to the stockbridge damper for transmission line described in claim 1-5 any one, it is characterized in that, the end of steel strand wire (2) is spiral-shaped.
7. the stockbridge damper for transmission line according to claim 6, it is characterized in that, steel strand wire (2) passage in the tup of hammer body (3) comprises the straight line portion that the end termination of mushroom cavity is connected with end termination, and the inwall of the straight line portion of steel strand wire (2) passage is spiral-shaped and the termination of steel strand wire (2) matches.
8. the stockbridge damper for transmission line according to claim 7, is characterized in that, has also built cement steel strand wire (2) are fixed in hammer body (3) in the end termination of steel strand wire (2) passage.
9. the stockbridge damper for transmission line according to claim 7, is characterized in that, described ring set (4) can be upper mobile at hammer body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327720.4U CN203883426U (en) | 2014-06-19 | 2014-06-19 | Vibration damper for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327720.4U CN203883426U (en) | 2014-06-19 | 2014-06-19 | Vibration damper for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883426U true CN203883426U (en) | 2014-10-15 |
Family
ID=51683894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420327720.4U Expired - Lifetime CN203883426U (en) | 2014-06-19 | 2014-06-19 | Vibration damper for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037699A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Vibration damper for power transmission line |
-
2014
- 2014-06-19 CN CN201420327720.4U patent/CN203883426U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037699A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Vibration damper for power transmission line |
| CN104037699B (en) * | 2014-06-19 | 2017-03-01 | 国网四川省电力公司成都市新都供电分公司 | Damper for transmission line of electricity |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
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| CX01 | Expiry of patent term |