CN106129945B - A kind of damper - Google Patents
A kind of damper Download PDFInfo
- Publication number
- CN106129945B CN106129945B CN201610766635.1A CN201610766635A CN106129945B CN 106129945 B CN106129945 B CN 106129945B CN 201610766635 A CN201610766635 A CN 201610766635A CN 106129945 B CN106129945 B CN 106129945B
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- CN
- China
- Prior art keywords
- steel ball
- damper
- hollow channel
- tup
- connection component
- 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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Classifications
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- 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
Abstract
The embodiment of the invention discloses a kind of dampers, by the way that steel ball is arranged in the hollow channel of anti-vibration hammer edge of a wing two sides, using the collision of steel ball carries out additional energy consumption in damper in vibration processes, solve existing Stockbridge damper using the inertia of weight make its steel strand wires generate in friction consumption overhead line most of vibrational energy caused by the imperfect technical problem of anti-vibration effect.The embodiment of the present invention includes:Connection component is mounted on the connection component upper ram, the hollow channel being arranged in inside the tup, the steel ball being arranged in the hollow channel;The connection component is for connecting overhead transmission line and the tup;The diameter of the steel ball is less than the internal diameter of hollow channel.
Description
Technical field
The present invention relates to transmission line of electricity wind resistance field more particularly to a kind of dampers.
Background technique
High-tension overhead line bar position is higher, and span is larger, when conducting wire is acted on by wind-force, will form high frequency, small amplitude
Movement, this is referred to as aeolian vibration.Wind speed is generally in 0.5~10m/s, and for frequency generally in 3~100Hz, the amplitude of vibration is general
Diameter of 1 times no more than conducting wire.Since amplitude is smaller, it is not easy to it is found, therefore is easier to be ignored, time of vibration is longer, and one
As be a few houres or sometimes up to several days.It is any kind of to vibrate the normal operation that all threaten transmission line of electricity.Transmission line of electricity
If aeolian vibration be not controlled, will result in serious injury and death, and cause biggish economic loss.Conducting wire
Prolonged alternate strain is generated under the action of aeolian vibration, forms stress concentration point.Finally cause to lead in stress concentration point
The fatigue rupture of line, the fatigue for forming conducting wire is stranded, and position is usually concentrated in the stress of transmission line of electricity in contact point, usually outstanding
At vertical line folder.Therefore on high voltage overhead lines road, a hand hammer is often hung on the conducting wire of insulator two sides, this hand hammer is anti-
Vibration hammer, for reducing the vibration that conducting wire is heaved out by wind-force.
Currently, common damper is Stockbridge damper, when overhead line vibrates, damper is transported up and down
It is dynamic, using the inertia of weight, so that its steel strand wires is generated most of vibrational energy of interior friction consumption overhead line, air is to weight
Damping consumes part energy, and part energy is consumed and reflected at shockproof hammer thread clip.
However Stockbridge damper is that its steel strand wires is made to generate interior friction consumption overhead line using the inertia of weight
Most of vibrational energy, anti-vibration effect is not good enough, and the weight of Stockbridge damper be only simply divided into it is several etc.
Grade can not well adapt to local wind speed, cannot well adapt to the power characteristic of route, also reduce
The anti-vibration effect of Stockbridge damper.
Summary of the invention
The embodiment of the invention discloses a kind of dampers, by being arranged in the hollow channel of anti-vibration hammer edge of a wing two sides
Steel ball solves existing Stockbridge vibrationproof using the collision of steel ball carries out additional energy consumption in damper in vibration processes
Vibrationproof is imitated caused by hammer makes its steel strand wires generate the interior most of vibrational energy for consuming overhead line that rubs using the inertia of weight
The imperfect technical problem of fruit.
The embodiment of the invention provides a kind of dampers, including:Connection component, be mounted on the connection component upper ram,
The steel ball that hollow channel inside the tup is set, is arranged in the hollow channel;
The connection component is for connecting overhead transmission line and the tup;
The diameter of the steel ball is less than the internal diameter of hollow channel.
Preferably,
The tup specifically includes lumped mass block and the edge of a wing;
The edge of a wing is mounted on the both ends of the lumped mass block;
The hollow channel is arranged in the edge of a wing.
Preferably,
The connection component specifically includes damper collet and steel strand wires;
The damper collet is connected on overhead transmission line;
The steel strand wires are mounted on the lower end of the damper collet;
The tup is mounted on the both ends of the steel strand wires.
Preferably,
The quantity of the steel ball is one.
Preferably,
The quantity of the steel ball is at least two.
Preferably,
The steel ball it is identical in quality.
Preferably,
The quality of the steel ball is different.
Preferably,
The hollow channel is cylinder.
Preferably,
The end on the tup edge of a wing is arc-shaped.
Preferably,
Damping fluid is provided in the hollow channel.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages that:
1, by the way that steel ball is arranged in the hollow channel of anti-vibration hammer edge of a wing two sides, the damper in vibration processes is utilized
The collision of middle steel ball carries out additional energy consumption, so that the anti-vibration effect of damper is more preferable.
2, by test installation damper position wind speed, by adjusting steel ball quality and number make damper with
Route wind speed more matches, and makes the power characteristic of anti-vibration effect more coincidence circuit, to reach better anti-vibration effect.
3, the damping fluid being arranged in the hollow channel of damper also effectively subtracts while damping by increasing and increase energy consumption
Abrasion caused by steel ball and hollow channel collision is lacked.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the damper provided in the embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of the tup of the damper provided in the embodiment of the present invention;
Fig. 3 is that a kind of damper provided in the embodiment of the present invention installs schematic diagram on the transmission line.
Specific embodiment
The embodiment of the invention discloses a kind of dampers, by being arranged in the hollow channel of anti-vibration hammer edge of a wing two sides
Steel ball solves existing Stockbridge vibrationproof using the collision of steel ball carries out additional energy consumption in damper in vibration processes
Vibrationproof is imitated caused by hammer makes its steel strand wires generate the interior most of vibrational energy for consuming overhead line that rubs using the inertia of weight
The imperfect technical problem of fruit.
Fig. 1 to Fig. 2 is please referred to, a kind of one embodiment of the damper provided in the embodiment of the present invention includes:Connection group
Part is mounted on the connection component upper ram, the hollow channel 5 being arranged in inside the tup, is arranged in the hollow channel 5
Interior steel ball 6;
Connection component is for connecting overhead transmission line and tup;
The diameter of steel ball 6 is less than the internal diameter of hollow channel 5, and also there are certain after the placement steel ball 6 of hollow channel 5
Gap, so that steel ball 6 be allow to cause mutually to rub between steel ball 6 and hollow channel 5, steel ball and steel ball in sliding in hollow channel
It wipes.
Aforementioned tup specifically includes lumped mass block 3 and the edge of a wing 4, and the edge of a wing 4 is mounted on the both ends of lumped mass block 3, hollow
Channel 5 is arranged in the edge of a wing 3.
Aforementioned connection component specifically includes damper collet 1 and steel strand wires 2, and damper collet 1 is connected on overhead transmission line,
Steel strand wires 2 are mounted on the lower end of damper collet 1, and tup is mounted on the both ends of steel strand wires 2.
The quantity of steel ball 6 can be one, or multiple, the quality of steel ball 6 can be the same or different, steel ball
6 quality and quantity distribution form be according to installation damper route at wind speed determines, in damper the quantity of steel ball 6 with
Quality is matched with wind speed, to play better anti-vibration effect.
Said hollow channel 5 is cylinder, or other shapes are intended merely to allow steel ball 6 can be in hollow channel 5
In free to slide, collision consumption aeolian vibration energy, and space is more saved in cylindrical, hollow channel.
The end on the edge of a wing 4 of tup be it is arc-shaped, effectively reduce the skyborne resistance of tup, also avoid tip and put
Electricity.
It is provided with damping fluid in hollow channel 5, increases energy consumption by increasing damping.
The above is the detailed description carried out to the structure and connection type of a kind of damper, for ease of understanding, below will be with
One concrete application scene is illustrated a kind of application of damper, and application examples includes:
The wind speed that experiment test needs to install the transmission line of electricity of damper is first passed through, so that it is determined that and selecting and having and wind speed
The tup of the Mass Distribution that matches form sum number dimension ball 6 combines the installation of tup, steel strand wires 2 and damper collet 1, so
Damper is fixed on overhead transmission line by damper collet 1 afterwards, as shown in figure 3, can be using transmission line of electricity both ends on one side
One, half grade of vibrationproof method can also be used.When encountering aeolian vibration, damper consumes a part of aeolian vibration using gravity
When wind be defeated by the energy of conducting wire, while the steel ball 6 being equipped with inside damper is vibrated up and down and is scrolled left and right, there are gap can be with
So that between steel ball and steel ball, steel ball 6 and hollow channel 5 mutually collide, and the movement of steel ball 6 has kinetic energy, increases damper
Energy consumption, reaches good anti-vibration effect.
A kind of damper provided by the present invention is described in detail above, for the general technology people of this field
Member, thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, in conclusion
The contents of this specification are not to be construed as limiting the invention.
Claims (9)
1. a kind of damper, which is characterized in that including:Connection component is mounted on the connection component upper ram, is arranged described
Hollow channel inside tup, the steel ball being arranged in the hollow channel;
The connection component is for connecting overhead transmission line and the tup;
The diameter of the steel ball is less than the internal diameter of hollow channel;
The tup specifically includes lumped mass block and the edge of a wing;
The edge of a wing is mounted on the both ends of the lumped mass block;
The hollow channel is arranged in the edge of a wing.
2. damper according to claim 1, which is characterized in that the connection component specifically includes damper collet and steel
Twisted wire;
The damper collet is connected on overhead transmission line;
The steel strand wires are mounted on the lower end of the damper collet;
The tup is mounted on the both ends of the steel strand wires.
3. damper according to claim 1, which is characterized in that the quantity of the steel ball is one.
4. damper according to claim 1, which is characterized in that the quantity of the steel ball is at least two.
5. damper according to claim 4, which is characterized in that the steel ball it is identical in quality.
6. damper according to claim 4, which is characterized in that the quality of the steel ball is different.
7. damper according to claim 1, which is characterized in that the hollow channel is cylinder.
8. damper according to claim 1, which is characterized in that the end on the tup edge of a wing is arc-shaped.
9. damper according to claim 1, which is characterized in that be provided with damping fluid in the hollow channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610766635.1A CN106129945B (en) | 2016-08-30 | 2016-08-30 | A kind of damper |
Applications Claiming Priority (1)
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CN201610766635.1A CN106129945B (en) | 2016-08-30 | 2016-08-30 | A kind of damper |
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CN106129945A CN106129945A (en) | 2016-11-16 |
CN106129945B true CN106129945B (en) | 2018-11-16 |
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CN201610766635.1A Active CN106129945B (en) | 2016-08-30 | 2016-08-30 | A kind of damper |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2391359Y (en) * | 1999-11-01 | 2000-08-09 | 国家电力公司电力建设研究所 | Connecting structure for antivibrating hammer head and steel twisted line |
JP2006230172A (en) * | 2005-02-21 | 2006-08-31 | Hokkaido Electric Power Co Inc:The | Vibration-proof device having weight drop off prevention function |
CN202145556U (en) * | 2011-02-09 | 2012-02-15 | 云南电网公司 | Apparatus for preventing power transmission lines from swinging |
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 |
CN202678897U (en) * | 2012-08-09 | 2013-01-16 | 浙江金塔电力线路器材有限公司 | Armour rod-preformed bell-jar-type vibration-proof hammer metalware device |
CN103161125A (en) * | 2013-03-07 | 2013-06-19 | 同济大学 | Pod rain-line type damper suitable for stay cable |
CN104078908A (en) * | 2014-06-23 | 2014-10-01 | 湖南科技大学 | Liquid-filled anti-vibration hammer capable of frequency modulation |
CN204481440U (en) * | 2015-04-07 | 2015-07-15 | 王艳华 | Anti-vibration hammer for high-voltage power transmission lines |
CN206004267U (en) * | 2016-08-30 | 2017-03-08 | 广东电网有限责任公司电力科学研究院 | A kind of damper |
-
2016
- 2016-08-30 CN CN201610766635.1A patent/CN106129945B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2391359Y (en) * | 1999-11-01 | 2000-08-09 | 国家电力公司电力建设研究所 | Connecting structure for antivibrating hammer head and steel twisted line |
JP2006230172A (en) * | 2005-02-21 | 2006-08-31 | Hokkaido Electric Power Co Inc:The | Vibration-proof device having weight drop off prevention function |
CN202145556U (en) * | 2011-02-09 | 2012-02-15 | 云南电网公司 | Apparatus for preventing power transmission lines from swinging |
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 |
CN202678897U (en) * | 2012-08-09 | 2013-01-16 | 浙江金塔电力线路器材有限公司 | Armour rod-preformed bell-jar-type vibration-proof hammer metalware device |
CN103161125A (en) * | 2013-03-07 | 2013-06-19 | 同济大学 | Pod rain-line type damper suitable for stay cable |
CN104078908A (en) * | 2014-06-23 | 2014-10-01 | 湖南科技大学 | Liquid-filled anti-vibration hammer capable of frequency modulation |
CN204481440U (en) * | 2015-04-07 | 2015-07-15 | 王艳华 | Anti-vibration hammer for high-voltage power transmission lines |
CN206004267U (en) * | 2016-08-30 | 2017-03-08 | 广东电网有限责任公司电力科学研究院 | A kind of damper |
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CN106129945A (en) | 2016-11-16 |
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