CN203026882U - Shape memory alloy anti-galloping spacer - Google Patents
Shape memory alloy anti-galloping spacer Download PDFInfo
- Publication number
- CN203026882U CN203026882U CN 201320004433 CN201320004433U CN203026882U CN 203026882 U CN203026882 U CN 203026882U CN 201320004433 CN201320004433 CN 201320004433 CN 201320004433 U CN201320004433 U CN 201320004433U CN 203026882 U CN203026882 U CN 203026882U
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- CN
- China
- Prior art keywords
- marmem
- memory alloy
- shape memory
- piston
- galloping
- 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.)
- Expired - Lifetime
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 title abstract description 12
- 239000004020 conductor Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000010355 oscillation Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 230000016507 interphase Effects 0.000 description 5
- 230000004993 binary fission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a shape memory alloy anti-galloping spacer which comprises a frame which is connected with a plurality of equant wire clamps, wherein a heavy ball is arranged in the body center of the frame, and the heavy ball is connected with the frame through at least two shape memory alloy dampers. The shape memory alloy anti-galloping spacer is structurally characterized by being provided with a cylindrical body, wherein a spring hook is fixedly connected to one end of the cylindrical body, a piston-type spring hook which extends out of the other end of the cylindrical body is arranged inside the cylindrical body, and the tail ends of at least two shape memory alloy wires which are symmetrically arranged and fixedly connected to a piston-type spring hook piston are fixedly connected with the bottom of the cylindrical body. The pre-elongation strain of the at least two shape memory alloy wires which are symmetrically arranged and are fixedly connected between the piston-type spring hook piston and the bottom of the cylindrical body is 3 percent. The shape memory alloy anti-galloping spacer can be made into a multi-cracking spacer which can play a role of attenuating vibration energy on aeolian vibration, galloping, subspan oscillation and fair line vibration of divided conductors, thereby achieving an optimal damping and anti-galloping effect; and the shape memory alloy anti-galloping spacer can be used for inhibiting flagellation between a phase conductor and a sub-conductor.
Description
Technical field
The utility model relates to a kind of overhead transmission line protection apparatus, more particularly, is a kind of aeolian vibration, subspan oscillation, the fair line vibration of bundle conductor and marmem Anti-swing spacing bar of waving of preventing simultaneously.Be applicable to four, six, eight, ten type bipartition conductor spacer and inter-phase spacers.
Background technology
Wire in overhead transmission line is because be subject to the impact of the meteorological conditions such as wind, ice, low temperature throughout the year, and wire often the Fatigue Vibration of four direction can occur: vertical direction-aeolian vibration, transverse horizontal direction-subspan oscillation, fair line direction-fair line vibration, cross torsion direction-wave.Shaft tower, wire, gold utensil and insulator are caused badly damaged, the circuit Frequent trip is had a power failure, the safe operation of harm transmission line causes great economic loss.
At present, also lack better vibration isolator can be simultaneously to the Fatigue Vibration of bundle conductor four direction: aeolian vibration, subspan oscillation, fair line vibration, wave and play vibration damping anti-dance effect preferably.
Summary of the invention
Marmem (Shape Memory Alloy is called for short SMA) is a kind of intellectual material with unique shape memory, super-elasticity and high damping characteristic, is widely applied in fields such as biomedical, machinery, electronics and Aero-Space.NiTi (NiTi) marmem is the commercially available prod.The mechanical property of marmem not only has good energy dissipation capacity, and after experiencing repeatedly the hysteresis distortion, after unloading, residual deformation is almost nil, and inelastic strain returns back to initial point.Hyperelastic marmem recoverable strain is up to 6%～8%, and yield stress is at 400～500MPa, and is suitable with steel, but its ultimate strength surpasses 1000MPa, and ultimate deformation is up to 20%, far above common metal.
The utility model content
The purpose of this utility model is: based on super elastic shape memory alloy effect and hysteretic energy characteristic thereof, provide that a kind of unfailing performance is high, long service life, be convenient to safeguard and without the marmem Anti-swing spacing bar of residual deformation, mainly solve aeolian vibration, subspan oscillation, the fair line vibration of superhigh pressure, UHV transmission line bundle conductor and the problem of waving.
the purpose of this utility model is to realize by following scheme: a kind of marmem Anti-swing spacing bar, it comprises that framework is connected with several wire clamps of decile, body center at described framework is provided with heavy ball, described heavy ball is connected with framework by at least two marmem dampers, it is characterized in that: the structure of described marmem damper is, has cylindrical shell, an end at described cylindrical shell is fixed with carbine, be built-in with the piston type spring hook that stretches out the described cylindrical shell other end at cylindrical shell, the end and the cylinder body bottom that are connected at least two symmetrically arranged shape-memory alloy wires on piston type spring hook piston are connected.
Be connected on piston type spring hook piston and the pre-elongation strain of at least two symmetrically arranged shape-memory alloy wires between cylinder body bottom is 3%.
The advantage applies that the utlity model has exists: in superhigh pressure, UHV transmission line, the marmem Anti-swing spacing bar utilizes super-elastic shape memory alloy wire as core component, have property of energy dissipation, Self-resetting characteristic, good antifatigue and resistance to corrosion, can reduce the reaction under the conductor vibration effect, conductor vibration can be got back to initial position after finishing; Fatigue Vibration to the four direction of bundle conductor: aeolian vibration, subspan oscillation, fair line vibration, wave the effect that all can bring into play the damped vibration energy, thereby reach fine vibration damping anti-dance effect, suppress better whiplash between phase conductor, sub-conductor simultaneously.Its applied range, the user selects conveniently, and the vibration damping anti-dance is effective, and compact conformation is reasonable, and is anticorona, installs to change conveniently, is convenient to safeguard and without residual deformation, safe and reliable, the life-span is long, and is strong to working environment adaptability.
Description of drawings
Fig. 1 is the marmem Anti-swing spacing bar structural representation of embodiment 1;
Fig. 2 is heavy ball 3 structural representations in Fig. 1;
Fig. 3 is A-A cross-sectional schematic in Fig. 2;
Fig. 4 is marmem damper 4 structure cross-sectional schematic in Fig. 1;
Fig. 5 is B-B cross-sectional schematic in Fig. 4;
Fig. 6 is V-type ring 5 structural representations in Fig. 1;
Fig. 7 is the schematic top plan view of Fig. 6;
Fig. 8 is the marmem Anti-swing spacing bar structural representation of embodiment 2;
Fig. 9 is the marmem Anti-swing spacing bar structural representation of embodiment 3;
Figure 10 is the marmem Anti-swing spacing bar structural representation of embodiment 4;
Figure 11 is the marmem Anti-swing spacing bar structural representation of embodiment 5;
Figure 12 is the marmem Anti-swing spacing bar structural representation of embodiment 6;
Figure 13 is the marmem Anti-swing spacing bar structural representation of embodiment 7;
Figure 14 is the marmem Anti-swing spacing bar structural representation of embodiment 8;
Figure 15 is the marmem Anti-swing spacing bar structural representation of embodiment 9;
Figure 16 is the marmem Anti-swing spacing bar structural representation of embodiment 10;
Figure 17 is the marmem Anti-swing spacing bar structural representation of embodiment 11;
Figure 18 is the marmem Anti-swing spacing bar structural representation of embodiment 12.
Wherein, 1-wire clamp, 2-framework, 3-heavy ball, 4-marmem damper, 5-V-type ring, 6-self-locking screw, 7-link, 8-composite insulator, 41-carbine, 42-self-locking screw, 43-shape-memory alloy wire, 44-piston, 45-cylindrical shell, 46-piston type spring hook.
Embodiment
Embodiment 1: as Fig. 1-Fig. 3, Fig. 6 and shown in Figure 7, embodiment 1 is a kind of quadripartion marmem Anti-swing spacing bar, comprises that four wire clamps 1, a framework 2 are two frameworks of prior art, a heavy ball 3, four marmem dampers 4, four V-type rings 5, four self-locking screws 6.Body center at described framework 2 is provided with heavy ball 3, described heavy ball 3 is connected with framework 2 by four marmem dampers 4 respectively, concrete connected mode is: 2 corners connect V-type ring 5 by self-locking screw 6 at framework, the carbine 41 of marmem damper 4 is connected with V-type ring 5, and piston type spring hook 46 is connected with heavy ball 3.
As shown in Figure 4 and Figure 5, the structure of described marmem damper 4 is, has cylindrical shell 45, an end at described cylindrical shell 45 is fixed with carbine 41, be built-in with the piston type spring hook 46 that stretches out the described cylindrical shell other end at cylindrical shell 45, the end and cylindrical shell 45 bottoms that are connected at least two symmetrically arranged shape-memory alloy wires 43 on piston type spring hook 46 pistons 44 are connected.
Be connected on piston type spring hook 46 pistons 44 and cylindrical shell 45 bottoms between the pre-elongation strain of at least two symmetrically arranged shape-memory alloy wires 43 be 3%, make shape-memory alloy wire 43 be in all the time tension state, avoid the pressurized flexing of shape-memory alloy wire 43.
Embodiment 2: as shown in Figure 8, a kind of quadripartion marmem Anti-swing spacing bar of embodiment 2 and structure and the annexation of embodiment 1 are basic identical, comprise four wire clamps 1, a framework 2, a heavy ball 3, four marmem dampers 4, four V-type rings 5, four self-locking screws 6.Difference is only the single frame that a framework 2 adopts prior art.
Embodiment 3: as shown in Figure 9, a kind of six division marmem Anti-swing spacing bars of embodiment 3 and structure and the annexation of embodiment 1 are basic identical, comprise six wire clamps 1, two frameworks 2, a heavy ball 3, six marmem dampers 4, six V-type rings 5, six self-locking screws 6.
Embodiment 4: as shown in figure 10, a kind of six division marmem Anti-swing spacing bars of embodiment 4 and structure and the annexation of embodiment 2 are basic identical, comprise six wire clamps 1, a single frame 2, a heavy ball 3, six marmem dampers 4, six V-type rings 5, six self-locking screws 6.
Embodiment 5: as shown in figure 11, a kind of eight division marmem Anti-swing spacing bars and embodiment 1 of embodiment 5,3 structure and annexation are basic identical, comprise eight wire clamps 1, one pair of frameworks 2, a heavy ball 3, eight marmem dampers 4, eight V-type rings 5, eight self-locking screws 6.V-type ring 5 is installed by self-locking screw 6 by 2 corners at framework.
Embodiment 6: as shown in figure 12, a kind of eight division marmem Anti-swing spacing bars and embodiment 2 of embodiment 6,4 structure and annexation are basic identical, comprise eight wire clamps 1, a single frame 2, a heavy ball 3, eight marmem dampers 4, eight V-type rings 5, eight self-locking screws 6.
Embodiment 7: as shown in figure 13, structure and the annexation of a kind of ten binary fission marmem Anti-swing spacing bar embodiment 1,3,5 of embodiment 7 are basic identical, comprise 12 wire clamps 1, two frameworks 2, a heavy ball 3,12 marmem dampers 4,12 V-type rings 5,12 self-locking screws 6.
Embodiment 8: as shown in figure 14, structure and the annexation of a kind of ten binary fission marmem Anti-swing spacing bar embodiment 2,4,6 of embodiment 8 are basic identical, comprise 12 wire clamps 1, a single frame 2, a heavy ball 3,12 marmem dampers 4,12 V-type rings 5,12 self-locking screws 6.V-type ring 5 is installed by self-locking screw 6 by 2 corners at framework, and an end of marmem damper 4 connects V-type ring 5, and the other end connects heavy ball 3.
Embodiment 9: as shown in figure 15, a kind of quadripartion marmem Anti-swing spacing bar of embodiment 9 is for inter-phase spacer, comprises 12 wire clamps 1, three frameworks 2, three heavy ball 3,12 marmem dampers 4,12 V-type rings 5,12 self-locking screws 6, six links 7, three string composite insulators 8.Connected and composed by three quadripartion marmem Anti-swing spacing bars in fact.Concrete syndeton is: link 7 is connected with framework 2, and the two ends of composite insulator 8 are connected with link 7 respectively.
Embodiment 10: as shown in figure 16, a kind of six division marmem Anti-swing spacing bars of embodiment 10 are for inter-phase spacer, comprise 18 wire clamps 1, three frameworks 2, three heavy ball 3,18 marmem dampers 4,18 V-type rings 5,18 self-locking screws 6, six links 7, three string composite insulators 8.Connected and composed by three six division marmem Anti-swing spacing bars in fact.Link 7 is connected with framework 2, and the two ends of composite insulator 8 are connected with link 7 respectively.
Embodiment 11: as shown in figure 17,11 a kind eight of embodiment division marmem Anti-swing spacing bar is for inter-phase spacer, comprises 24 wire clamps 1, three two frameworks 2, three heavy ball 3,24 marmem dampers 4,24 V-type rings 5,24 self-locking screws 6, six links 7, three string composite insulators 8.Connected and composed by three eight division marmem Anti-swing spacing bars in fact.Link 7 is connected with framework 2, and the two ends of composite insulator 8 are connected with link 7 respectively.
Embodiment 12: as shown in figure 18, a kind of ten binary fission marmem Anti-swing spacing bars of embodiment 12 are for inter-phase spacer, comprise the two frameworks 2 of 36 wire clamps 1, three, three heavy ball 3,36 marmem dampers 4,36 V-type rings 5,36 self-locking screws 6, six links 7, three string composite insulators 8.Connected and composed by three ten binary fission marmem Anti-swing spacing bars in fact.Link 7 is connected connection with framework, the two ends of composite insulator 8 are connected with link 7 respectively.
Marmem Anti-swing spacing bar of the present utility model is only limited embodiment, but also non exhaustive, any conversion that those skilled in the art have done without performing creative labour all belongs to the scope that the utility model claim is protected.
Claims (2)
1. marmem Anti-swing spacing bar, it comprises that framework is connected with several wire clamps of decile, body center at described framework is provided with heavy ball, described heavy ball is connected with framework by at least two marmem dampers, it is characterized in that: the structure of described marmem damper is, has cylindrical shell, an end at described cylindrical shell is fixed with carbine, be built-in with the piston type spring hook that stretches out the described cylindrical shell other end at cylindrical shell, the end and the cylinder body bottom that are connected at least two symmetrically arranged shape-memory alloy wires on piston type spring hook piston are connected.
2. marmem Anti-swing spacing bar according to claim 1 is characterized in that: be connected on piston type spring hook piston and the pre-elongation strain of at least two symmetrically arranged shape-memory alloy wires between cylinder body bottom is 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004433 CN203026882U (en) | 2013-01-06 | 2013-01-06 | Shape memory alloy anti-galloping spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004433 CN203026882U (en) | 2013-01-06 | 2013-01-06 | Shape memory alloy anti-galloping spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026882U true CN203026882U (en) | 2013-06-26 |
Family
ID=48650834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320004433 Expired - Lifetime CN203026882U (en) | 2013-01-06 | 2013-01-06 | Shape memory alloy anti-galloping spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026882U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887750A (en) * | 2014-04-17 | 2014-06-25 | 国家电网公司 | Torsional-vibration-restraining gallop-preventing device |
| CN105406429A (en) * | 2015-11-11 | 2016-03-16 | 国网浙江省电力公司湖州供电公司 | Overhead power transmission line vibration reducing and balancing system |
| CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
| CN109149490A (en) * | 2018-09-30 | 2019-01-04 | 山东大学 | It is a kind of windy to anti-dance vibration absorber |
| CN110748589A (en) * | 2019-10-25 | 2020-02-04 | 石家庄铁道大学 | Frequency conversion method and frequency conversion vibration absorption device of inclined support spring system |
| CN112383013A (en) * | 2020-11-25 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Adjustable anti-galloping spacer |
-
2013
- 2013-01-06 CN CN 201320004433 patent/CN203026882U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887750A (en) * | 2014-04-17 | 2014-06-25 | 国家电网公司 | Torsional-vibration-restraining gallop-preventing device |
| CN103887750B (en) * | 2014-04-17 | 2017-04-05 | 国家电网公司 | It is a kind of to suppress the anti-dancing device of torsional oscillation |
| CN105406429A (en) * | 2015-11-11 | 2016-03-16 | 国网浙江省电力公司湖州供电公司 | Overhead power transmission line vibration reducing and balancing system |
| CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
| CN109149490A (en) * | 2018-09-30 | 2019-01-04 | 山东大学 | It is a kind of windy to anti-dance vibration absorber |
| CN110748589A (en) * | 2019-10-25 | 2020-02-04 | 石家庄铁道大学 | Frequency conversion method and frequency conversion vibration absorption device of inclined support spring system |
| CN110748589B (en) * | 2019-10-25 | 2021-01-12 | 石家庄铁道大学 | Frequency conversion method and frequency conversion vibration absorption device of inclined support spring system |
| CN112383013A (en) * | 2020-11-25 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Adjustable anti-galloping spacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |