CN105552813A - Collision energy-dissipation spacing rod - Google Patents
Collision energy-dissipation spacing rod Download PDFInfo
- Publication number
- CN105552813A CN105552813A CN201610053940.6A CN201610053940A CN105552813A CN 105552813 A CN105552813 A CN 105552813A CN 201610053940 A CN201610053940 A CN 201610053940A CN 105552813 A CN105552813 A CN 105552813A
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- China
- Prior art keywords
- ball
- hollow ball
- metal
- conductor spacer
- metal hollow
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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
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G7/125—Damping spacers
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- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to the technical field of vibration attenuation of electrical equipment and power transmission circuits, and relates to a collision energy-dissipation spacing rod. The collision energy-dissipation spacing rod is composed of a mass ball, a spring, a metal hollow ball, a metal circuit tube, a spacing rod frame, a wire clamp and a viscoelastic material layer. The invention aims to solve the problems of being single in function and limited in vibration attenuation effect in the existing spacing rod. When the external environment load is relatively low, the vibration attenuation effect is realized with the help of swinging of the mass ball; when the external environment load is relatively high, the swinging amplitude of the mass ball is increased; the mass ball is collided with a viscoelastic material on the inner wall of the metal hollow ball; the viscoelastic material can absorb a part of energy in the collision process, such that the energy dissipation effect is realized; because the mass ball can swing in a space in any direction and can be collided with the viscoelastic material on the inner wall of the metal hollow ball, the collision energy-dissipation spacing rod has the multi-dimensional vibration attenuation characteristics; and furthermore, the collision energy-dissipation spacing rod is simple to design and manufacture and can be widely applied in the technical field of vibration attenuation of electrical equipment and power transmission circuits.
Description
Technical field
The present invention relates to power equipment, transmission line antivibration area, specifically refer to a kind of energy by collision conductor spacer.
Background technology
Along with China is to the increase of electrical demand, the span of transmission line, the division number of wire etc. are all in increase trend.The vibration of transmission line under wind action is very serious, according to the height of conductor vibration frequency and the size of amplitude, it is broadly divided into aeolian vibration (high-frequency short arc), subspan oscillation (in medium frequency amplitude) and waves (low frequency high amplitude) 3 kinds.Transmission line vibration may cause the harm such as broken string, tired disconnected stock, greatly threatens the safe operation of transmission line.In order to reduce the harm that conductor vibration brings to transmission line, must adopt an effective measure and it is suppressed.Current China realizes its object suppressing conductor vibration mainly through installing the device such as damping conductor spacer, detuning pendulum, but its effectiveness in vibration suppression is limited.Therefore a kind of reasonable in design, obvious conductor spacer of effectiveness in vibration suppression of research and development, will be conducive to the safe operation of transmission line, reduce maintenance cost.
Summary of the invention
The object of this invention is to provide a kind of energy by collision conductor spacer, this conductor spacer, while providing general interval rod function, has the effect reducing transmission line vibration concurrently.
Above-mentioned purpose of the present invention realizes by following technical solution: a kind of energy by collision conductor spacer, it is characterized in that: this conductor spacer is made up of mass ball, spring, metal hollow ball, metal circular tube, conductor spacer framework, wire clamp and viscoelastic material layer, described metal hollow ball is hollow ball structure, surrounding and metal circular tube connecting place opening, and do smooth treatment to prevent Spring Card firmly with metal circular tube joint; Mass ball, viscoelastic material layer are all positioned at described metal hollow ball, and wherein, mass ball is positioned at the center of metal hollow ball, is suspended state, and point of suspension is positioned at the center of metal hollow ball; Viscoelastic material layer is arranged on the inwall of metal hollow ball by adhesive sticking type, thus plays the effect absorbing energy, passive energy dissipation; Spring is positioned at metal circular tube and metal hollow ball, is on the central axis of metal circular tube, and one end of spring is fixedly connected on conductor spacer framework, and the other end is connected with mass ball; One end of metal circular tube is connected with metal hollow ball, and the other end is fixedly connected with conductor spacer framework.In the present invention, the material of described viscoelastic material layer is preferably rubber, and the material of described mass ball, spring, metal hollow ball, metal circular tube, conductor spacer framework and wire clamp is preferably steel.
Energy by collision conductor spacer of the present invention reduces the dynamic respons of place transmission line by the swing of mass ball and collision process, solves transmission line Oscillation Amplitude or frequency problems of too.Compared with prior art, feature of the present invention is: when external environment condition load is less, relies on mass ball to swing and realizes damping effect; When external environment condition load is larger, mass ball amplitude of fluctuation increases, and collides with the viscoelastic material of metal hollow ball inwall, and viscoelastic material by absorption portion energy, realizes the effect of power consumption in collision process.Because mass ball can swing at space any direction, and all can collide with metal hollow ball inwall viscoelastic material, therefore, this kind of energy by collision conductor spacer has multidimensional vibration reduction characteristic, and reasonable in design, make simple, it will be widely used in power equipment, transmission line antivibration area.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Fig. 1 is the front elevation of energy by collision conductor spacer of the present invention;
Fig. 2 is A-A profile of Fig. 1;
In figure: 1 is mass ball; 2 is springs; 3 is metal hollow balls; 4 is metal circular tubes; 5 is conductor spacer frameworks; 6 is wire clamps; 7 is viscoelastic material layers.
Embodiment
A kind of energy by collision conductor spacer as shown in Figure 1 and Figure 2, this conductor spacer is made up of mass ball 1, spring 2, metal hollow ball 3, metal circular tube 4, conductor spacer framework 5, wire clamp 6 and viscoelastic material layer 7.
Metal hollow ball 3 is hollow ball structure, surrounding and metal circular tube 4 connecting place opening, and does smooth treatment with metal circular tube 4 joint and block to prevent spring 2.Mass ball 1, viscoelastic material layer 7 are all positioned at metal hollow ball 3: mass ball 1 is suspended state at metal hollow ball 3, and point of suspension is positioned at the center of metal hollow ball 3; Viscoelastic material layer 7 sticking type is arranged on the inwall of metal hollow ball 3, thus plays the effect absorbing energy, passive energy dissipation.The other end of metal circular tube 4 is fixedly connected with conductor spacer framework 5.Spring 2 is positioned at metal circular tube 4 and metal hollow ball 3, and one end of spring 2 is fixedly connected on conductor spacer framework 5, and the other end of spring 2 is connected with mass ball 1.The material of viscoelastic material layer 7 is preferably rubber, and the material of described mass ball 1, spring 2, metal hollow ball 3, metal circular tube 4, conductor spacer framework 5 and wire clamp 6 is preferably steel.
Energy by collision conductor spacer in the present embodiment utilizes suspended mass ball 1 that the behaviors such as swing and collision occur under outside load action and realizes transmission line damping effect, has the advantages such as reasonable in design, simple, economic, easy to implement.In use procedure, energy by collision conductor spacer is arranged on bundle conductor, when wire produces vibration under earthquake motion or wind action, drive mass ball 1 is swung, mass ball 1 vibrates the inertia force produced and reacts on transmission line itself, contrary with transmission line displacement direction, create damping effect, when external loads increases, mass ball 1 amplitude of fluctuation strengthens, collide with the viscoelastic material arranged at metal hollow ball 3 inwall, in collision process, viscoelastic material is by absorption portion energy, and this stage of conductor spacer plays power consumption effect.Therefore, when external environment condition load comparatively h apart rod play damping effect, and when external environment condition load is larger, conductor spacer plays vibration damping and power consumption effect simultaneously.Because transmission line is almost all bearing wind load at any time, and the rare generation of earthquake, so this energy by collision conductor spacer application on transmission line anti-wind problems is more important.
When the mass ball 1 of the present embodiment, metal hollow ball 3 and metal circular tube 4 are arranged, it is to be noted that the first, the hunting frequency of mass ball 1 should as far as possible close to the transmission line natural frequency of vibration; The second, the distance between metal hollow ball 3 and mass ball 1 should be determined as required; 3rd, metal hollow ball 3 must be smooth with the junction of metal circular tube 4, is stuck in motion process to avoid spring 2; 4th, the diameter of metal circular tube 4 is greater than spring 2 diameter, ensures that spring 2 can free-extension in metal circular tube 4; 5th, the position of energy by collision conductor spacer on transmission line and quantity to be determined according to calculating.
As the conversion of the present embodiment, the material of viscoelastic material layer 7 also can adopt other viscoelastic materials, as elastic resin, leather etc., the material of mass ball 1, spring 2, metal hollow ball 3, metallic cylinder 5, conductor spacer framework 5 and wire clamp 6 also can adopt iron or copper or metal alloy.
The above embodiment of the present invention is not limiting the scope of the present invention; embodiments of the present invention are not limited thereto; all this kind is according to foregoing of the present invention; according to ordinary technical knowledge and the customary means of this area; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; to the amendment of other various ways that said structure of the present invention is made, replacement or change, all should drop within protection scope of the present invention.
Claims (5)
1. an energy by collision conductor spacer, be made up of mass ball, spring, metal hollow ball, metal circular tube, conductor spacer framework, wire clamp and viscoelastic material layer, it is characterized in that: described metal hollow ball is hollow ball structure, surrounding and metal circular tube connecting place opening, and do smooth treatment to prevent Spring Card firmly with metal circular tube joint; Described mass ball, viscoelastic material layer are all positioned at described metal hollow ball, and wherein, mass ball is positioned at the center of metal hollow ball, and viscoelastic material layer is arranged on whole metal hollow ball inwall by adhesive sticking type; Spring is positioned at metal circular tube and metal hollow ball, and one end of spring is fixedly connected on conductor spacer framework, and the other end of spring is connected with mass ball; One end of described metal circular tube is connected with metal hollow ball, and the other end is fixedly connected with conductor spacer framework.
2. energy by collision conductor spacer according to claim 1, it is characterized in that: described spring is positioned on the central axis of metal circular tube, described mass ball is suspended state in metal hollow ball, and point of suspension is positioned at the center of metal hollow ball.
3. the energy by collision conductor spacer described in claim 1 or 2, is characterized in that: the material of described viscoelastic material layer is rubber.
4. the energy by collision conductor spacer described in claim 1 or 2, is characterized in that: the material of described mass ball, spring, metal hollow ball, metal circular tube, conductor spacer framework and wire clamp is steel.
5. energy by collision conductor spacer according to claim 3, is characterized in that: the material of described mass ball, spring, metal hollow ball, metal circular tube, conductor spacer framework and wire clamp is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053940.6A CN105552813B (en) | 2016-01-26 | 2016-01-26 | A kind of energy by collision conductor spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053940.6A CN105552813B (en) | 2016-01-26 | 2016-01-26 | A kind of energy by collision conductor spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105552813A true CN105552813A (en) | 2016-05-04 |
| CN105552813B CN105552813B (en) | 2017-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053940.6A Active CN105552813B (en) | 2016-01-26 | 2016-01-26 | A kind of energy by collision conductor spacer |
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| CN (1) | CN105552813B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877264A (en) * | 2017-04-20 | 2017-06-20 | 山东大学 | A kind of Anti-galloping energy by collision vibration absorber |
| CN107069626A (en) * | 2017-04-20 | 2017-08-18 | 广东电网有限责任公司电力科学研究院 | A kind of frequency-adjustable energy by collision conductor spacer |
| CN107482559A (en) * | 2017-08-29 | 2017-12-15 | 林华 | It is used for transmission line to wave buffer unit |
| CN108233310A (en) * | 2018-03-15 | 2018-06-29 | 山东大学 | A kind of Anti-galloping vibration damping conductor spacer |
| CN109818322A (en) * | 2019-02-19 | 2019-05-28 | 山东大学 | A kind of self-adaptive electromagnetic energy consumption Anti-galloping vibration absorber |
| CN111769503A (en) * | 2019-04-01 | 2020-10-13 | 中国电力科学研究院有限公司 | Zero-frequency vibration damper and manufacturing method thereof |
| CN113418650A (en) * | 2021-06-18 | 2021-09-21 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN114792960A (en) * | 2022-05-27 | 2022-07-26 | 青岛农业大学 | Vibration damper based on shape memory alloy |
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| RU2412511C1 (en) * | 2010-03-26 | 2011-02-20 | Закрытое Акционерное Общество "Мзва" | Vibration damper |
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| CN102936927A (en) * | 2012-10-29 | 2013-02-20 | 广东电网公司电力科学研究院 | Lattice type power transmission tower horizontal vibration self-reset shock absorber |
| CN203026883U (en) * | 2013-01-06 | 2013-06-26 | 吉林省电力有限公司检修公司 | Damping rubber galloping preventing spacer |
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| CN104682308A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Universal vibration absorption ball |
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| RU2412511C1 (en) * | 2010-03-26 | 2011-02-20 | Закрытое Акционерное Общество "Мзва" | Vibration damper |
| CN102425244A (en) * | 2011-10-19 | 2012-04-25 | 沈阳建筑大学 | Multidirectional multi-frequency tuned mass damper |
| CN102936927A (en) * | 2012-10-29 | 2013-02-20 | 广东电网公司电力科学研究院 | Lattice type power transmission tower horizontal vibration self-reset shock absorber |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069626A (en) * | 2017-04-20 | 2017-08-18 | 广东电网有限责任公司电力科学研究院 | A kind of frequency-adjustable energy by collision conductor spacer |
| CN106877264B (en) * | 2017-04-20 | 2018-03-23 | 山东大学 | A kind of Anti-galloping energy by collision vibration absorber |
| CN106877264A (en) * | 2017-04-20 | 2017-06-20 | 山东大学 | A kind of Anti-galloping energy by collision vibration absorber |
| CN107482559A (en) * | 2017-08-29 | 2017-12-15 | 林华 | It is used for transmission line to wave buffer unit |
| CN107482559B (en) * | 2017-08-29 | 2018-09-07 | 林华 | It is used for transmission line to wave buffer unit |
| CN108233310B (en) * | 2018-03-15 | 2024-04-19 | 山东大学 | Anti-galloping vibration reduction spacer |
| CN108233310A (en) * | 2018-03-15 | 2018-06-29 | 山东大学 | A kind of Anti-galloping vibration damping conductor spacer |
| CN109818322A (en) * | 2019-02-19 | 2019-05-28 | 山东大学 | A kind of self-adaptive electromagnetic energy consumption Anti-galloping vibration absorber |
| CN111769503B (en) * | 2019-04-01 | 2023-09-08 | 中国电力科学研究院有限公司 | Zero frequency vibration damper and manufacturing method thereof |
| CN111769503A (en) * | 2019-04-01 | 2020-10-13 | 中国电力科学研究院有限公司 | Zero-frequency vibration damper and manufacturing method thereof |
| CN113418650A (en) * | 2021-06-18 | 2021-09-21 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN113418650B (en) * | 2021-06-18 | 2024-04-19 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN114792960A (en) * | 2022-05-27 | 2022-07-26 | 青岛农业大学 | Vibration damper based on shape memory alloy |
| CN114792960B (en) * | 2022-05-27 | 2023-11-21 | 青岛农业大学 | Vibration damper based on shape memory alloy |
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| CN105552813B (en) | 2017-08-22 |
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