CN208386105U - A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration - Google Patents
A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration Download PDFInfo
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- CN208386105U CN208386105U CN201821208729.8U CN201821208729U CN208386105U CN 208386105 U CN208386105 U CN 208386105U CN 201821208729 U CN201821208729 U CN 201821208729U CN 208386105 U CN208386105 U CN 208386105U
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- damper
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Abstract
A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration, including the hoop being circumferentially socketed on lightning rod needle body top exterior walls face, the outer horizontal of hoop is arranged with annulus mass block, spring and damper are connected between the outer wall of hoop and the inner wall of annulus mass block, extend outwardly on lightning rod needle body above hoop and is fixed with bracket, the upper surface that bracket passes through suspension cable connection ring form quality gauge block.The bracket uses several support rods being welded on lightning rod needle body, and support rod extends outwardly and is evenly distributed on lightning rod needle body periphery.The utility model reasonable stress, it is solid and reliable, can effective stationary annular mass block vertical height；Annulus mass block is connected by spring, damper with the hoop for being fixed on air terminal surface, is achieved the purpose that resonate energy-absorbing, reduction structural response using the inertia force or active controlling force of annulus mass, is then effectively reduced the influence of wind-induced vibration.
Description
Technical field
The utility model belongs to lightning rod design field, and in particular to it is a kind of reduce wind-induced vibration Lightning-Rod Protection Disign In Substations subtract
Vibrating device.
Background technique
Lightning rod also known as lightning rod, as the device for protecting building or electrical equipment to injure from lightning stroke, extensive utilization
In the places such as power plant and substation.The principle of lightning rod is to install a metal bar on high-lager building (or shaft tower) top,
It is connected with metal wire with one block of metal for being embedded in underground, using the point discharge of metal bar, makes the electricity and ground of cloud layer institute band
On electricity gradually neutralize, so that accident will not be caused.The substation in the high wind frequency such as northwest China, North China, northeast area higher
Lightning rod, by big monsoon intensity, the combined influence of frequency, lightning rod is chronically at swing state, and high-frequency past combined stress is easy
So that lightning rod metal fatigue is occurred, and then cause the connecting portion of lightning rod that rupture failure occurs, is finally possible to cause to take shelter from the thunder
Needle falls.However the fracture of Lightning-Rod Protection Disign In Substations falls and other equipment can be caused to damage, and influences the normal operation of substation.
Utility model content
The purpose of this utility model is that being directed to above-mentioned the problems of the prior art, a kind of change for reducing wind-induced vibration is provided
Power station lightning rod vibration absorber, can be effectively reduced the fatigue stress of lightning rod wind-induced vibration, extend the service life of lightning rod.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
Including the hoop being circumferentially socketed on lightning rod needle body top exterior walls face, the outer horizontal of hoop is arranged with annular
Mass block is connected with spring and damper between the outer wall of hoop and the inner wall of annulus mass block, the lightning rod needle above hoop
Extend outwardly on body and is fixed with bracket, the upper surface that bracket passes through suspension cable connection ring form quality gauge block.The bracket uses
Several support rods being welded on lightning rod needle body, support rod extend outwardly and are evenly distributed on lightning rod needle body periphery.
Preferably, support rod is provided with 3, and the angle between support rod is 120 °；Support rod is circumferentially distributed in horizontal plane,
The horizontal plane is parallel with lightning rod needle body horizontal cross-section.3 support rod ends pass through suspension cable and annular matter respectively
The upper surface of gauge block is attached.Spring and damper are provided with 3 between the outer wall of hoop and the inner wall of annulus mass block
It is a, and spring and damper are circumferentially distributed in horizontal plane, the horizontal plane is parallel with the horizontal cross-section of lightning rod needle body；Adjacent bullet
120 ° of angle is provided between spring or between adjacent damper.The spring is set to damper in the vertical direction
Lower section.
Annulus mass block, spring and the damper is using the tuned mass damper, TMD being integrated in one.
Compared with prior art, the utility model have it is following the utility model has the advantages that annulus mass block by suspension cable with
Bracket on lightning rod needle body is fixed on to be connected, reasonable stress is solid and reliable, can effective stationary annular mass block vertical height
Degree；Annulus mass block is connected by spring, damper with the hoop for being fixed on air terminal surface, and the inertia force of annulus mass is utilized
Or active controlling force achievees the purpose that resonate energy-absorbing, reduction structural response, then effectively reduces the influence of wind-induced vibration.This subtracts
A possibility that vibrating device structure is simple, easy to use, can reduce fatigue rupture extends the service life of lightning rod.
Detailed description of the invention
The assembling structure schematic diagram of Fig. 1 the utility model；
The overall structure diagram of Fig. 2 the utility model；
The bracket scheme of installation of Fig. 3 the utility model；
The damper scheme of installation of Fig. 4 the utility model；
The spring scheme of installation of Fig. 5 the utility model；
In attached drawing: 1- lightning rod needle body；2- annulus mass block；3- spring；4- damper；5- hoop；6- hangs cable；7-
Bracket.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
Referring to Fig. 1-5, the Lightning-Rod Protection Disign In Substations vibration absorber of the utility model, including circumferentially it is socketed in lightning rod needle body
Hoop 5 on 1 top exterior walls face, the outer horizontal of hoop 5 are arranged with annulus mass block 2, the outer wall and annulus mass block of hoop 5
It is connected with spring 3 and damper 4 between 2 inner wall, extends outwardly on the lightning rod needle body 1 of 5 top of hoop and is fixed with bracket 7,
The upper surface that bracket 7 passes through suspension 6 connection ring form quality gauge block 2 of cable.Bracket 7 is welded on lightning rod needle body 1 using several
Support rod, support rod extends outwardly and is evenly distributed on 1 periphery of lightning rod needle body.Preferably, support rod is provided with 3, branch
Angle between strut is 120 °, and support rod is circumferentially distributed in horizontal plane, and the horizontal plane and 1 horizontal cross-section of lightning rod needle body are flat
Row.3 support rod ends pass through suspension cable 6 respectively and the upper surface of annulus mass block 2 is attached.Preferably, 3 He of spring
Damper 4 is equipped with 3 between the outer wall of hoop 5 and the inner wall of annulus mass block 2, and spring 3 and damper 4 are in horizontal plane
Circumferentially distributed, the horizontal plane is parallel with the horizontal cross-section of lightning rod needle body 1, between adjacent spring 3 or adjacent damper 4
Between be provided with 120 ° of angle.Spring 3 is set to the lower section of damper 4 in the vertical direction.
Annulus mass block 2, spring 3 and damper 4 are using the tuned mass damper, TMD (TMD) being integrated in one.
The Lightning-Rod Protection Disign In Substations vibration absorber of the utility model, annulus mass block 2 by suspension cable 6 be fixed on it is lightning-arrest
Bracket 7 on needle is connected, and reasonable stress is solid and reliable, can effective stationary annular mass block 2 vertical height；Annulus mass block 2
It is connected by spring 3, damper 4 with the hoop 5 for being fixed on 1 surface of lightning rod needle body, the shadow of wind-induced vibration can be effectively reduced
It rings.A possibility that damping device structure is simple, easy to use, can reduce fatigue rupture, extends the service life of lightning rod.
Foregoing description is that the program can be understood and used for the ease of those skilled in the art.It is familiar with ability
The personnel of field technique obviously easily can make various modifications to these embodiments, and General Principle application described herein
Without having to go through creative labor into other embodiments.Therefore, the utility model is not limited to the above embodiments, this field skill
Art personnel announcement according to the present utility model, not departing from improvement that the utility model scope is made and modification should all protect
Within the scope of.
Claims (7)
1. a kind of Lightning-Rod Protection Disign In Substations vibration absorber for reducing wind-induced vibration, it is characterised in that: lightning-arrest including being circumferentially socketed in
Hoop (5) on needle needle body (1) top exterior walls face, the outer horizontal of hoop (5) are arranged with annulus mass block (2), hoop (5)
Spring (3) and damper (4) are connected between outer wall and the inner wall of annulus mass block (2)；
Extend outwardly on lightning rod needle body (1) above the hoop (5) and be fixed with bracket (7), the bracket (7) passes through outstanding
The upper surface of hanging wire cable (6) connection ring form quality gauge block (2).
2. reducing the Lightning-Rod Protection Disign In Substations vibration absorber of wind-induced vibration according to claim 1, it is characterised in that: the branch
Frame (7) uses several support rods being welded on lightning rod needle body (1), and the support rod extends outwardly and is evenly distributed on
Lightning rod needle body (1) periphery.
3. reducing the Lightning-Rod Protection Disign In Substations vibration absorber of wind-induced vibration according to claim 2, it is characterised in that: the branch
Strut is provided with 3, and the angle between support rod is 120 °；Support rod is circumferentially distributed in horizontal plane, the horizontal plane and lightning rod
Needle body (1) horizontal cross-section is parallel.
4. reducing the Lightning-Rod Protection Disign In Substations vibration absorber of wind-induced vibration according to claim 3, it is characterised in that: described 3
Root support rod end passes through suspension cable (6) respectively and the upper surface of annulus mass block (2) is attached.
5. according to claim 1 or 3 it is described reduce wind-induced vibrations Lightning-Rod Protection Disign In Substations vibration absorbers, it is characterised in that: spring
(3) and damper (4) is provided with 3, and the bullet between the outer wall of hoop (5) and the inner wall of annulus mass block (2)
Spring (3) and damper (4) are circumferentially distributed in horizontal plane, and the horizontal plane is parallel with the horizontal cross-section of lightning rod needle body (1)；Adjacent
120 ° of angle is provided between spring (3) or between adjacent damper (4).
6. reducing the Lightning-Rod Protection Disign In Substations vibration absorber of wind-induced vibration according to claim 5, it is characterised in that: the bullet
Spring (3) is set to the lower section of damper (4) in the vertical direction.
7. reducing the Lightning-Rod Protection Disign In Substations vibration absorber of wind-induced vibration according to claim 1, it is characterised in that: the ring
Form quality gauge block (2), spring (3) and damper (4) are using the tuned mass damper, TMD being integrated in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208729.8U CN208386105U (en) | 2018-07-28 | 2018-07-28 | A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208729.8U CN208386105U (en) | 2018-07-28 | 2018-07-28 | A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386105U true CN208386105U (en) | 2019-01-15 |
Family
ID=64961773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208729.8U Active CN208386105U (en) | 2018-07-28 | 2018-07-28 | A kind of Lightning-Rod Protection Disign In Substations vibration absorber reducing wind-induced vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038455A (en) * | 2018-07-28 | 2018-12-18 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of Lightning-Rod Protection Disign In Substations vibration absorber |
| CN113675579A (en) * | 2021-08-31 | 2021-11-19 | 国网河南省电力公司经济技术研究院 | Transformer substation structure support device for mounting 5G antenna |
-
2018
- 2018-07-28 CN CN201821208729.8U patent/CN208386105U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038455A (en) * | 2018-07-28 | 2018-12-18 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of Lightning-Rod Protection Disign In Substations vibration absorber |
| CN113675579A (en) * | 2021-08-31 | 2021-11-19 | 国网河南省电力公司经济技术研究院 | Transformer substation structure support device for mounting 5G antenna |
| CN113675579B (en) * | 2021-08-31 | 2024-01-19 | 国网河南省电力公司经济技术研究院 | Transformer substation structure bracket device for installing 5G antenna |
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