CN111262209B - Damping spring damper capable of preventing disconnection - Google Patents
Damping spring damper capable of preventing disconnection Download PDFInfo
- Publication number
- CN111262209B CN111262209B CN201911399634.8A CN201911399634A CN111262209B CN 111262209 B CN111262209 B CN 111262209B CN 201911399634 A CN201911399634 A CN 201911399634A CN 111262209 B CN111262209 B CN 111262209B
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- Prior art keywords
- damper
- wire
- vibration
- preformed armor
- damping spring
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- 238000013016 damping Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a damping spring damper capable of preventing wire falling, which comprises a damper wire clamp and a damper, wherein the damper is connected with the damper wire clamp and is fixedly arranged on a wire through the damper wire clamp; the damping spring is adopted to assist in consuming vibration energy, vibration damping buffering is provided through the preformed armor rods, abrasion of cables at the position of the vibration-proof hammer wire clamp can be reduced, and meanwhile, wire breakage backup protection is provided at the position of the vibration-proof hammer wire clamp to support a wire breakage cable.
Description
The technical field is as follows:
the invention relates to the technical field of power transmission lines, in particular to a damping spring damper capable of preventing a line from falling.
Background art:
at present, the damper is widely used in China as a control measure for the vibration of the power transmission line. The vibration absorption principle of the damper is to absorb and convert vibration energy into heat energy or sound energy to be dissipated, so that the energy consumption of a vibration system is increased, and the energy balance of the lead can be achieved under the condition of small amplitude. When the line vibrates, the chuck of the damper moves up and down along with the lead, and the heavy hammer has larger inertia and cannot move synchronously with the chuck, so that the steel strand of the damper is continuously bent up and down, and the strands are continuously rubbed, thereby consuming most vibration energy on the power transmission line.
The installation of damper probably leads to the circuit broken string position to shift to damper mounted position from the fastener, and the stress concentration, the friction aggravation of local position lead to the cable to be injured, has directly influenced the circuit life on the contrary. When the power transmission line in the important crossing area is broken and disconnected, the cable is broken and falls to important positions such as railways, highways, rivers and the like, which often brings serious safety problems.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the defect of the prior art is overcome, the damping spring is adopted to assist in consuming vibration energy, vibration reduction buffering is provided through the preformed armor rods, abrasion of cables at the position of the vibration-proof hammer wire clamp can be reduced, wire breakage backup protection is provided at the position of the vibration-proof hammer wire clamp, and the vibration-proof hammer of the damping spring for supporting the broken wire cables and preventing the broken wire is provided.
The technical scheme of the invention is as follows: the utility model provides a damping spring damper of anti-drop line, includes damper fastener and stockbridge damper, the stockbridge damper with damper fastener connects, and passes through damper fastener is fixed to be set up on the wire, characterized by: the stockbridge damper comprises a cylinder and a weight plate arranged in the cylinder, wherein a damper wire clamp is connected with one end of a damper connecting rod, one end of the damper connecting rod stretches into the cylinder and is connected with the weight plate through a damping spring, a through hole for the preformed armor rod to run through is formed in the damper wire clamp, two ends of the preformed armor rod are spirally sleeved on wires on two sides of the damper wire clamp, two ends of the preformed armor rod are fixed through equal connecting mechanism wire clamps, and the two connecting mechanism wire clamps are hinged through connecting mechanisms.
Further, the number of the preformed armor rods is at least two.
Furthermore, the two connecting mechanisms are hinged through bolts and are connected with the two connecting mechanism wire clamps in a herringbone mode.
Furthermore, a groove for fixing and limiting the preformed armor rods is arranged on the inner side of the connecting mechanism wire clamp.
Furthermore, the vibration-proof hammer clamp is of a U-shaped structure, and a counter bore for the fastening bolt to penetrate is formed in the opening end of the vibration-proof hammer clamp.
Furthermore, a drain hole is formed in the bottom of the cylinder, and the damper connecting rod and the damping spring are of an integrated structure.
The invention has the beneficial effects that:
1. the damping spring is adopted to assist in consuming vibration energy, vibration damping buffering is provided through the preformed armor rods, abrasion of cables at the position of the vibration-proof hammer wire clamp can be reduced, and meanwhile, wire breakage backup protection is provided at the position of the vibration-proof hammer wire clamp to support a wire breakage cable.
2. The vibration of the wire can drive the damper to vibrate, when the damper vibrates, the damping spring stretches to generate energy consumption, the counterweight plate connected with the tail end of the spring accelerates the energy consumption through mass damping, the energy consumption is rapid, the multidimensional vibration energy consumption can be realized, and the wire can adapt to the extreme environment with high wind speed.
3. The preformed armor rods penetrate through the through holes in the vibration damper wire clamp, two ends of the preformed armor rods are wound on the wires, the preformed armor rods are tightly connected with the wires, the vibration damper wire clamp is prevented from loosening and sliding, abrasion is reduced, after the preformed armor rods are installed on the wires, the generated holding force is large, stress is uniformly dispersed, a large holding area is formed between the preformed armor rods and the wires, the wires are guaranteed to be clamped, the performance of the wires cannot be influenced by radial pressure, and the service life of the wires is effectively prolonged.
4. According to the invention, two ends of the preformed armor rods are fixed with the wires through the wire clamps of the connecting mechanisms, the backup protection connecting rods are fixed, the two connecting rods and the wires form a certain angle under a normal working state, the tension of the wires is not borne, and once the vibration damper is broken, the connecting mechanisms immediately strain the wires at two ends, so that the wire falling accident can not happen after the wires are broken, the backup protection effect is achieved, and valuable time is strived for rush repair.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a top view of the structure of the present invention.
Fig. 4 is a left side view of the structure of the present invention.
The specific implementation mode is as follows:
example (b): referring to fig. 1, 2, 3 and 4, in the drawings, 1-a wire, 2-a connecting mechanism wire clamp, 3-a connecting mechanism, 4-a through hole, 5-a damper wire clamp, 6-a preformed helical wire, 8-a damper connecting rod, 9-a damper cylinder, 10-a damping spring, 11-a counterweight plate and 12-a water drainage hole.
The damping spring damper of preventing falling off line, including damper fastener and stockbridge damper, the stockbridge damper is connected with damper fastener to through the fixed setting on the wire of damper fastener, adopt damping spring to assist the consumption vibration energy, through some preformed armor wires that run through on the damper fastener provide the damping buffering, can alleviate damper fastener department cable wearing and tearing, provide broken string reserve protection in damper fastener department simultaneously, provide the support for the broken string cable.
The present application will be described in detail with reference to the drawings and examples.
The connecting mechanism wire clamp 2 and the anti-vibration hammer wire clamp 5 are provided with hexagonal counter bores, the hexagonal counter bores are matched with the screw rods, the screw rods are fixed through nuts after penetrating through the hexagonal counter bores, the nuts are matched with the nut clamping sleeves to fix the screw rods, the nut clamping sleeves are annular, and the inner rings are in hexagonal counter bore shapes matched with the nut shapes (the screw rods and the nuts form fastening bolts).
The middle part of the damper wire clamp 5 is provided with a preformed armor wire through hole 4, the preformed armor wire 6 passes through the preformed armor wire through hole 4, the two ends of the preformed armor wire 6 are spirally sleeved on the wires 1 on the two sides of the damper wire clamp 5, the damper wire clamp 5 and the preformed armor wire 6 are tightly matched, the preformed armor wire 6 can not slide in the through hole 4 and is more tightly matched with the wires 1, the two ends of the preformed armor wire 6 are spirally arranged, during installation, the end part of the preformed armor wire 6 can be automatically adsorbed on the wires 1 and is fixed through the connecting mechanism wire clamp 2, and a strong occlusion force is generated and the corona at the end part can be well prevented.
The two ends of the damper preformed armor rod 6 are fixed through the connecting mechanism wire clamps 2, the grooves in the inner sides of the connecting mechanism wire clamps 2 fix and limit the two ends of the preformed armor rod 6, the connecting mechanisms 3 are fixed on the lead 1 through the two connecting mechanism wire clamps 2, the two connecting mechanism wire clamps 2 and the lead 1 are fixed tightly (bolts), the connecting mechanisms 3 are composed of two connecting rods, and the connecting rods are hinged through the bolts.
The bottom of the damper cylinder 9 is provided with a drain hole 12.
When wind blows across the power transmission line 1, can form the stable calorie of door swirl that drops behind it, this can produce periodic variation's pressure difference around wire 1, make wire 1 vibrate with air flow direction vertically in-plane, the wire vibration can drive the vibration damper vibration, during the vibration damper vibration, damping spring 10 tensile motion produces the energy consumption, damping spring 10 end-to-end connection's counterweight plate accelerates the power consumption through the mass damping, the power consumption is rapid, can realize the multidimension vibration power consumption, the extreme environment of wire can adapt to the high wind speed.
Wherein, owing to run through preformed armor rods 6 on the damper fastener 5, 6 tip of preformed armor rods are the heliciform and can adsorb on wire 1 automatically, and fix through coupling mechanism fastener 2, have a very strong occlusal force and can prevent tip corona messenger well, 6 less damper fasteners of preformed armor rods department wire's the range of buckling and frequency, prevent that the wire of damper fastener department is because of buckling and the too big broken string of atress.
The disconnected line reserve protection that coupling mechanism fastener 2 and connecting rod 3 formed, under normal operating condition, two connecting rods are certain angle (chevron shape) with wire 1, do not bear the wire pulling force, in case the stockbridge damper position takes place the broken string, coupling mechanism 3 takes up both ends wire 1 at once, makes to be unlikely to take place the wire accident of dropping after the broken string, plays the reserve guard action, strives for the valuable time for salvageing for.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a damping spring damper of anti-drop line, includes damper fastener and stockbridge damper, the stockbridge damper with damper fastener connects, and passes through damper fastener is fixed to be set up on the wire, characterized by: the vibration damper comprises a cylinder and a counterweight plate arranged in the cylinder, wherein a vibration damper wire clamp is connected with one end of a vibration damper connecting rod, one end of the vibration damper connecting rod extends into the cylinder and is connected with the counterweight plate through a damping spring, a through hole for a preformed armor rod to penetrate through is formed in the vibration damper wire clamp, two ends of the preformed armor rod are spirally sleeved on conducting wires on two sides of the vibration damper wire clamp, two ends of the preformed armor rod are fixed through connecting mechanism wire clamps, and the two connecting mechanism wire clamps are hinged through connecting mechanisms;
the two connecting mechanisms are hinged through bolts and are connected with the two connecting mechanism wire clamps in a herringbone shape;
a groove for fixing and limiting the preformed armor rods is formed in the inner side of the connecting mechanism wire clamp;
the bottom of the cylinder body is provided with a drain hole, and the damper connecting rod and the damping spring are of an integrated structure.
2. The drop resistant damper spring damper according to claim 1, wherein: the number of the preformed armor rods is at least two.
3. The drop resistant damper spring damper according to claim 1, wherein: the vibration-proof hammer clamp is of a U-shaped structure, and a counter bore for the fastening bolt to penetrate through is formed in the opening end of the vibration-proof hammer clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399634.8A CN111262209B (en) | 2019-12-30 | 2019-12-30 | Damping spring damper capable of preventing disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399634.8A CN111262209B (en) | 2019-12-30 | 2019-12-30 | Damping spring damper capable of preventing disconnection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111262209A CN111262209A (en) | 2020-06-09 |
| CN111262209B true CN111262209B (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911399634.8A Active CN111262209B (en) | 2019-12-30 | 2019-12-30 | Damping spring damper capable of preventing disconnection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111262209B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398072B (en) * | 2020-11-09 | 2022-03-08 | 牛鑫 | Cable fixing frame for mining equipment |
| CN112952710B (en) * | 2021-04-15 | 2022-05-17 | 浙江维思无线网络技术有限公司 | Intelligent lead shockproof hammer |
| CN115614429B (en) * | 2022-10-09 | 2023-06-30 | 国网安徽省电力有限公司铜陵供电公司 | Balanced shock-absorbing damping device |
| CN116581685B (en) * | 2023-04-23 | 2024-02-02 | 广东鑫源恒业电力线路器材有限公司 | Connecting pipe electrical performance optimization method based on safe backup wire clamp |
| CN118100064A (en) * | 2024-04-22 | 2024-05-28 | 河北中北电力金具有限公司 | High-bearing suspension clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004409U (en) * | 2011-03-01 | 2011-10-05 | 东北电力大学 | Damper with damping spring |
| CN204012588U (en) * | 2014-04-19 | 2014-12-10 | 石家庄华能电力金具有限公司 | A kind of Pre-Cutter-Type Anti-Vibration Hammer |
| CN107508234A (en) * | 2017-07-28 | 2017-12-22 | 国家电网公司 | A kind of Pre-Cutter-Type Anti-Vibration Hammer |
| CN109904820A (en) * | 2019-01-26 | 2019-06-18 | 上海神勇机械技术有限公司 | A kind of preformed carrying out safety backup wire clamp of pendency |
| CN110224364A (en) * | 2019-07-03 | 2019-09-10 | 山东厚俞实业有限公司 | A kind of self-locking stockbridge damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586230U (en) * | 2012-04-11 | 2012-12-05 | 石家庄开发区华能电气有限公司 | Anti-slip pre-twisted shockproof hammer |
| CN205123190U (en) * | 2015-11-19 | 2016-03-30 | 成都大学 | Overhead transmission line split conductor antihunting device |
-
2019
- 2019-12-30 CN CN201911399634.8A patent/CN111262209B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004409U (en) * | 2011-03-01 | 2011-10-05 | 东北电力大学 | Damper with damping spring |
| CN204012588U (en) * | 2014-04-19 | 2014-12-10 | 石家庄华能电力金具有限公司 | A kind of Pre-Cutter-Type Anti-Vibration Hammer |
| CN107508234A (en) * | 2017-07-28 | 2017-12-22 | 国家电网公司 | A kind of Pre-Cutter-Type Anti-Vibration Hammer |
| CN109904820A (en) * | 2019-01-26 | 2019-06-18 | 上海神勇机械技术有限公司 | A kind of preformed carrying out safety backup wire clamp of pendency |
| CN110224364A (en) * | 2019-07-03 | 2019-09-10 | 山东厚俞实业有限公司 | A kind of self-locking stockbridge damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111262209A (en) | 2020-06-09 |
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