CN204633293U - The adjustable fastening device that lightning protection needle body is fixing on steel tower - Google Patents
The adjustable fastening device that lightning protection needle body is fixing on steel tower Download PDFInfo
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- CN204633293U CN204633293U CN201520378434.5U CN201520378434U CN204633293U CN 204633293 U CN204633293 U CN 204633293U CN 201520378434 U CN201520378434 U CN 201520378434U CN 204633293 U CN204633293 U CN 204633293U
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- needle body
- securing member
- lightning
- angle steel
- lightning protection
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Abstract
The utility model provides a kind of separate type lightning protection device, comprise needle body, wave resistance lightning arrester and thunder-and-lightning counter, thunder-and-lightning counter is fixed on thunder-and-lightning counter fastener, also comprise downlead, needle body is connected by downlead one end with wave resistance lightning arrester, the other end of wave resistance lightning arrester is connected with thunder-and-lightning counter by downlead, and on wave resistance lightning arrester and downlead, distribution is provided with insulating support rod, and the bottom of described needle body is also provided with needle body fastener.For iron tower in power transmission line height, structure is changeable, greatly transregional, the feature of being easily struck by lightning, so that the installation of lightning protection device on steel tower, reduces installation difficulty and cost, realizes the lightning protection to transmission line, reduce transmission line lightning stroke trip-out rate.The utility model belongs to anti-lightning strike field.
Description
Technical field
The utility model relates to a kind of fastener, belongs to lightning protection device installing area.
Background technology
Thunder and lightning is a kind of electric discharge phenomena of earth atmosphere, and when the electric field strength between normally electronegative thundercloud and the earth has exceeded the breakdown strength of air therebetween, namely there occurs the pulsed discharge between thundercloud and the earth, is exactly the said thunders and lightnings of people.In thundercloud discharge process, discharging current sharply increases, the moment on ground is arrived at lightning, lightning current is up to tens of kilo-ampere, even can up to hundreds of kilo-ampere, potential difference at lightning channel two ends can reach hundreds thousand of volt, lightning current place of arrival can cause intense electromagnetic, heat energy with the damage effect of machinery.
The security relationship of transmission line is to the power quality of national economy and user.Iron towers of overhead power transmission lines and ground equipotential, when thunderbolt steel tower causes the current potential of insulator earth potential end to raise instantaneously, the potential difference that itself and wire are formed, considerably beyond the design safety ability to bear of insulator, causes insulator arc-over or punctures, form short circuit current, and then line tripping power-off.
Near thunderbolt steel tower, transmission line can cause insulator two ends to produce Lightning Over-voltage equally, form short circuit current, or lightning wave is along wire transmission to line end, causes the damage of first and second equipment.
Due to the steel tower design of different electric pressure and different purposes, its tower body structure difference causes transmission line pin type lightning protection device often can not meet on all steel towers all realizing at right angle setting, even cannot install, cannot meet actual lightning protection demand.
Summary of the invention
The purpose of this utility model is: provide a kind of adjustable fastening device that lightning protection needle body is fixing on steel tower, so that the installation of lightning protection device on steel tower, reduce installation difficulty, realize the lightning protection to transmission line, reduce transmission line lightning stroke trip-out rate.
Scheme of the present utility model is as follows: a kind of adjustable fastening device that lightning protection needle body is fixing on steel tower, comprise angle steel formula anchor ear, direction regulates securing member and needle body securing member, needle body securing member is fixed on direction and regulates on securing member, and needle body securing member regulates securing member to be fixed on angle steel formula anchor ear by direction.
Preferably, direction regulates between securing member and needle body securing member and angle steel formula anchor ear and direction regulate between securing member and be all connected by screw, and closure regulate securing member and angle steel formula anchor ear be only a screw, make direction regulate securing member and angle steel formula anchor ear can around screw turns to realize angular adjustment, the screw hole that angle steel formula anchor ear and direction regulate correspondence on securing member to arrange screw be waist hole.
Preferably, needle body securing member is the tube structure that internal diameter is greater than needle body lower end insulating rod diameter, needle body securing member is provided with needle body trip bolt, and fastening structure is comparatively simple;
Preferably, angle steel formula anchor ear is made up of hoop and angle steel formula outer hoop in angle steel formula, and in angle steel formula, hoop and angle steel formula outer hoop are also tightened by screw.
Compared with prior art, major advantage is the utility model: adjustable fastening device has taken into full account that the different structure at two ends, steel tower top designs.Due to protection range and exposure arc, the maximal efficiency that competence exertion connects sudden strain of a muscle is installed in needle body optimal selection at two ends, steel tower top.But the limitation of installation site causes the chosen position of anchor ear to reduce, by using two adjustable fastening devices simultaneously, realize top and seat angle not coplanar orthogonal or coplanar not parallel etc. in particular cases, also can ensure needle body vertical ground install and fastening, solve the different structure of needle body because of steel tower, cause needle body that inclination is installed and can not reach needle body lightning Protection Design height, and the problem such as off-design installation site, reduce installation difficulty, realize the lightning protection real to transmission line, reduce transmission line lightning stroke trip-out rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model when being arranged on steel tower;
Wherein, Reference numeral 1 represents angle steel formula anchor ear, and 11 represent hoop in angle steel formula, and 12 represent angle steel formula outer hoop, and 2 represent that direction regulates securing member, and 3 represent needle body securing member, and 4 represent screw, and 5 represent screw hole, and 6 represent needle body trip bolt, and 7 represent steel tower corner iron.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below with reference to accompanying drawings the utility model is described in further detail,
Embodiment:
With reference to Fig. 1, a kind of adjustable fastening device that lightning protection needle body is fixing on steel tower described in the present embodiment, comprise angle steel formula anchor ear 1, direction regulates securing member 2 and needle body securing member 3, needle body securing member 3 is fixed on direction and regulates on securing member 2, needle body securing member 3 regulates securing member 2 to be fixed on angle steel formula anchor ear 1 by direction, direction regulate securing member 2 with between needle body securing member 3 and angle steel formula anchor ear 1 to regulate between securing member 2 with direction and be all connected by screw 4, and closure regulate securing member 2 and angle steel formula anchor ear 1 be only a screw 4, angle steel formula anchor ear 1 and direction regulate the corresponding screw hole 5 arranging screw 4 on securing member 2 to be waist hole, needle body securing member 3 is greater than the tube structure of needle body lower end insulating rod diameter for internal diameter, needle body securing member 3 is provided with needle body trip bolt 6, angle steel formula anchor ear 1 is made up of hoop 11 and angle steel formula outer hoop 12 in angle steel formula, and hoop 11 and angle steel formula outer hoop 12 are also tightened by screw 5 in angle steel formula.
Claims (4)
1. the adjustable fastening device that lightning protection needle body is fixing on steel tower, it is characterized in that: comprise angle steel formula anchor ear (1), direction regulates securing member (2) and needle body securing member (3), needle body securing member (3) is fixed on direction and regulates on securing member (2), and needle body securing member (3) regulates securing member (2) to be fixed on angle steel formula anchor ear (1) by direction.
2. the adjustable fastening device that lightning protection needle body is fixing on steel tower according to claim 1, it is characterized in that: direction regulate securing member (2) with between needle body securing member (3) and angle steel formula anchor ear (1) to regulate between securing member (2) with direction and be all connected by screw (4), and closure regulate securing member (2) and angle steel formula anchor ear (1) be only a screw (4), angle steel formula anchor ear (1) and direction adjustment securing member (2) are gone up the screw hole (5) that correspondence arranges screw (4) and are waist hole.
3. the adjustable fastening device that lightning protection needle body is fixing on steel tower according to claim 1, it is characterized in that: needle body securing member (3) is greater than the tube structure of needle body lower end insulating rod diameter for internal diameter, needle body securing member (3) is provided with needle body trip bolt (6).
4. the adjustable fastening device that lightning protection needle body is fixing on steel tower according to claim 1, it is characterized in that: angle steel formula anchor ear (1) is made up of hoop (11) and angle steel formula outer hoop (12) in angle steel formula, and in angle steel formula, hoop (11) and angle steel formula outer hoop (12) are also tightened by screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520378434.5U CN204633293U (en) | 2015-06-04 | 2015-06-04 | The adjustable fastening device that lightning protection needle body is fixing on steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520378434.5U CN204633293U (en) | 2015-06-04 | 2015-06-04 | The adjustable fastening device that lightning protection needle body is fixing on steel tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204633293U true CN204633293U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520378434.5U Active CN204633293U (en) | 2015-06-04 | 2015-06-04 | The adjustable fastening device that lightning protection needle body is fixing on steel tower |
Country Status (1)
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| CN (1) | CN204633293U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599083A (en) * | 2018-05-07 | 2018-09-28 | 海南智弘智能信息化工程有限公司 | A kind of power transmission line intelligent lightning-protection system |
| CN112928725A (en) * | 2021-02-24 | 2021-06-08 | 芜湖市凯鑫避雷器有限责任公司 | Windproof and anticorrosive mounting assembly for lightning arrester |
| CN113708309A (en) * | 2021-08-19 | 2021-11-26 | 华能澜沧江水电股份有限公司 | Delta-shaped excitation alternating-current power cable support |
-
2015
- 2015-06-04 CN CN201520378434.5U patent/CN204633293U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599083A (en) * | 2018-05-07 | 2018-09-28 | 海南智弘智能信息化工程有限公司 | A kind of power transmission line intelligent lightning-protection system |
| CN112928725A (en) * | 2021-02-24 | 2021-06-08 | 芜湖市凯鑫避雷器有限责任公司 | Windproof and anticorrosive mounting assembly for lightning arrester |
| CN112928725B (en) * | 2021-02-24 | 2022-05-17 | 芜湖市凯鑫避雷器有限责任公司 | Windproof and anticorrosive mounting assembly for lightning arrester |
| CN113708309A (en) * | 2021-08-19 | 2021-11-26 | 华能澜沧江水电股份有限公司 | Delta-shaped excitation alternating-current power cable support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |