CN210040882U - Lightning protection device convenient to two distribution line that return of installation - Google Patents
Lightning protection device convenient to two distribution line that return of installation Download PDFInfo
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- CN210040882U CN210040882U CN201921324622.4U CN201921324622U CN210040882U CN 210040882 U CN210040882 U CN 210040882U CN 201921324622 U CN201921324622 U CN 201921324622U CN 210040882 U CN210040882 U CN 210040882U
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- cross arm
- protection device
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- lightning protection
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Abstract
The utility model discloses a lightning protection device convenient for installing double-circuit power distribution lines, which comprises an installation bracket and a lightning protection device, wherein the installation bracket is composed of a first cross arm, a second cross arm and a connecting rod, the lightning protection device comprises a lightning receptor, a down lead and a grounding rod, the bottom end of the lightning receptor is in threaded connection with the middle part of the top end of the first cross arm through a nut connecting column fixedly connected with the lightning receptor, and connecting terminals on both sides of the lightning receptor are fixedly connected with the down lead respectively, the utility model has the advantages that the installation bracket is assembled by combining the first cross arm, the second cross arm and the connecting rod, and then the lightning protection device is composed through a reversed cone-shaped wire rod sleeve and a fastening bolt to be fixedly connected with an electric pole, thereby being convenient and rapid to install, saving time, improving working efficiency, avoiding the back and forth climbing of workers along the electric pole, and reducing the electromagnetic field intensity around the down lead through the lightning receptor, the down lead, the wire rod and the grounding rod, and further reduce the damage to electronic equipment inside the building caused by lightning strike.
Description
Technical Field
The utility model relates to a be convenient for install two power distribution line fields that return, particularly, relate to a lightning protection device.
Background
The lightning protection device is the sum of a lightning receptor, a down conductor, a grounding device, a Surge Protector (SPD) and other connecting conductors, and generally divides the lightning protection device of a building into two categories, namely an external lightning protection device and an internal lightning protection device. The external lightning protection device is composed of a lightning arrester, a down lead and a grounding device, namely the traditional lightning protection device, the internal lightning protection device is mainly used for reducing lightning current and electromagnetic effect inside a building, measures such as electromagnetic shielding, equipotential connection and Surge Protection Device (SPD) installation are adopted to prevent damage possibly caused by lightning electromagnetic pulse, and the grounding device is an important component of the lightning protection device. The grounding device discharges lightning current to the ground, the lightning protection device is limited not to be too high to the ground voltage, and the lightning protection grounding device can be shared with other grounding devices except for the independent lightning rod on the premise that the grounding resistance meets the requirement.
At present adopt lightning protection measure to protect in the distribution lines very seldom, therefore the thunderbolt calamity is comparatively serious, and the induced-current component on the two return distribution lines during the thunderbolt has stronger destructive power to the circuit, and the condition that the circuit tripped because of induction lightning voltage is more, consequently the aim at of this application provides a lightning protection device, when being convenient for install, in order to reduce the electromagnetic field intensity around the downlead, and then damage to the inside electronic equipment of building when lightening the thunderbolt.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lightning protection device convenient to two distribution line that return of installation to induced-current component on two distribution line that return when solving the thunderbolt that proposes in the above-mentioned background art has stronger destructiveness to the circuit, the more problem of the condition of circuit tripping operation because of response thunder voltage.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning protection device convenient to two distribution lines that return of installation, includes the installing support, the installing support comprises first cross arm, second cross arm and connecting rod, the both ends fixed connection with the vertical connecting rod of placing between the middle part of first cross arm and second cross arm, the middle part fixedly connected with nut spliced pole on first cross arm top, the top fixedly connected with arrester of nut spliced pole, the equal fixedly connected with downlead of binding post of arrester both sides, two the equal fixedly connected with earth bar of one end of downlead, two the earth bar inlays with ground and establishes and be connected, two the middle part of downlead is the fixed anchor bar that is equipped with all.
As a preferred technical scheme of the utility model, the both sides on first cross arm top and the both sides on second cross arm top are all fixed and are equipped with a plurality of insulators.
As a preferred technical scheme of the utility model, the bottom welding of first cross arm has the back taper wire pole cover, the bottom of back taper wire pole cover has fastening bolt through being equipped with a centre gripping section of thick bamboo threaded connection.
As a preferred technical scheme of the utility model, it has the polyurethane foaming layer to fill in the inside space of back taper pole cover.
As an optimal technical scheme of the utility model, two the downlead is the copper-plated steel strand wires, and two the downlead all is connected with a cross arm and second cross arm through the fastener.
Compared with the prior art, the beneficial effects of the utility model are that: through with first cross arm, second cross arm and connecting rod constitution assemble into installing support, rethread back taper wire pole cover and fastening bolt and pole fixed connection, convenient quick installation, save time, improve work efficiency, avoid the staff to climb back and forth along the pole from top to bottom, through the arrester that is equipped with, the downlead, stay bar and earth bar, constitute lightning protection device, can reduce the electromagnetic field intensity around the downlead, and then damage to the inside electronic equipment of building when lightening the thunderbolt.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the mounting bracket of the present invention;
fig. 3 is an enlarged schematic view of the a position of the present invention.
In the figure: 1. mounting a bracket; 2. an insulator; 3. a down conductor; 4. an anchor rod; 5. a ground rod; 6. a first cross arm; 7. a second cross arm; 8. a connecting rod; 9. the inverted conical wire rod sleeve; 10. fastening a bolt; 11. a polyurethane foam layer; 12. a lightning receptor; 13. the nut is connected with the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a lightning protection device convenient for installing a double-circuit power distribution line, which comprises an installation support 1, wherein the installation support 1 is composed of a first cross arm 6, a second cross arm 7 and a connecting rod 8, the middle part of the first cross arm 6 and the middle part of the second cross arm 7 are fixedly connected with the two ends of the vertically arranged connecting rod 8, the installation support 1 is composed of the first cross arm 6, the second cross arm 7 and the connecting rod 8, thereby facilitating the quick installation of workers, saving time, simultaneously improving the stability of the installation support 1, the middle part of the top end of the first cross arm 6 is fixedly connected with a nut connecting post 13, the nut connecting post 13 is convenient for quick installation of a lightning receptor 12, the top end of the nut connecting post 13 is fixedly connected with a lightning receptor 12, the lightning receptor 12 plays a role of receiving lightning, the connecting terminals at both sides of the lightning receptor 12 are fixedly connected with a down conductor 3, be convenient for draw thunderbolt current to the earth bar 5, at last and earth charge neutralization, the equal fixedly connected with earth bar 5 of one end of two downleads 3, conveniently with 3 ground traction straightens of two downleads, avoid two 3 crooked flagging of downleads, two earth bars 5 are inlayed with ground and are established and be connected, the middle part of two downleads 3 all is fixed and is equipped with anchor rod 4, anchor rod 4 is convenient for guarantee the tensioning force that downlead 3 bore, avoids 3 crooked flagging of downlead.
The two sides of the top end of the first cross arm 6 and the two sides of the top end of the second cross arm 7 are both fixedly provided with a plurality of insulators 2, the insulation effect of the first cross arm 6 and the second cross arm 7 is improved, the first cross arm 6 and the second cross arm 7 are prevented from being damaged by lightning, the bottom end of the first cross arm 6 is welded with the inverted cone-shaped wire rod sleeve 9, the bottom end of the inverted cone-shaped wire rod sleeve 9 is in threaded connection with a fastening bolt 10 through a clamping cylinder, the wire rod is conveniently and quickly mounted on a wire pole, the time is saved, the efficiency is improved, a polyurethane foam layer 11 is filled in a gap inside the inverted cone-shaped wire rod sleeve 9, the polyurethane foam layer 11 can increase the connectivity between the inverted cone-shaped wire rod sleeve 9 and the wire pole, the connection stability is improved, the two down-lead wires 3 are both copper-plated steel stranded wires, and are both connected with the first cross arm 6 and the second cross arm 7 through wire clamps, the copper-plated steel stranded wires have good conductivity and long, the stability of the down conductor 3 can be improved, and the down conductor 3 is prevented from sagging.
When the lightning protection device is used, the first cross arm 6, the second cross arm 7 and the connecting rod 8 are assembled into the mounting bracket 1 shown in the figure, the lightning receptor 12 on the lightning protection device is connected to the middle of the top end of the first cross arm 6 in a threaded manner through the nut connecting column 13 in a threaded manner, the down lead 3 is pulled to one end and is connected with the first cross arm 6 and the second cross arm 7 through the wire clamp to prevent the down lead 3 from sagging, then a worker climbs a telegraph pole with double-circuit distribution lines, the down-taper pole sleeve 9 is inserted into the connecting column of the telegraph pole, and a gap between the taper pole sleeve 9 and the telegraph pole is filled with polyurethane foaming agent to form the polyurethane layer 11 by the polyurethane foaming agent, so that the connectivity between the down-taper pole sleeve 9 and the telegraph pole is increased, the connection stability is improved, the lightning protection device consisting of the lightning receptor 12, the down lead 3, the pull rod 4 and the grounding rod 5 can reduce the electric field intensity around the telegraph pole, and then to the inside electronic equipment's of building damage when lightening the thunderbolt, to sum up, the utility model has the advantages of simple structure can install fast, saves time, reliable and stable, long service life.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A lightning protection device convenient for installing a double-circuit power distribution line comprises an installation bracket (1), it is characterized in that the mounting bracket (1) consists of a first cross arm (6), a second cross arm (7) and a connecting rod (8), the middle part of the first cross arm (6) and the middle part of the second cross arm (7) are fixedly connected with the two ends of a connecting rod (8) which is vertically arranged, the middle part of the top end of the first cross arm (6) is fixedly connected with a nut connecting post (13), the top end of the nut connecting column (13) is fixedly connected with a lightning receptor (12), the lightning arrester is characterized in that the wiring terminals on two sides of the lightning arrester (12) are fixedly connected with down leads (3), one ends of the two down leads (3) are fixedly connected with ground bars (5), the two ground bars (5) are embedded and connected with the ground, and the middle parts of the two down leads (3) are fixedly provided with anchor bars (4).
2. A lightning protection device for facilitating installation of a double circuit power distribution line according to claim 1, wherein: and a plurality of insulators (2) are fixedly arranged on both sides of the top end of the first cross arm (6) and both sides of the top end of the second cross arm (7).
3. A lightning protection device for facilitating installation of a double circuit power distribution line according to claim 1, wherein: the bottom welding of first cross arm (6) has back taper wire pole cover (9), the bottom of back taper wire pole cover (9) has fastening bolt (10) through being equipped with a centre gripping section of thick bamboo threaded connection.
4. A lightning protection device for facilitating installation of a double circuit power distribution line according to claim 3, wherein: and a polyurethane foaming layer (11) is filled in a gap inside the inverted cone-shaped wire rod sleeve (9).
5. A lightning protection device for facilitating installation of a double circuit power distribution line according to claim 1, wherein: two the downlead (3) are the copper-plated steel strand wires, and two the downlead (3) all are connected with a cross arm (6) and second cross arm (7) through the fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921324622.4U CN210040882U (en) | 2019-08-15 | 2019-08-15 | Lightning protection device convenient to two distribution line that return of installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921324622.4U CN210040882U (en) | 2019-08-15 | 2019-08-15 | Lightning protection device convenient to two distribution line that return of installation |
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| Publication Number | Publication Date |
|---|---|
| CN210040882U true CN210040882U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921324622.4U Active CN210040882U (en) | 2019-08-15 | 2019-08-15 | Lightning protection device convenient to two distribution line that return of installation |
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| CN (1) | CN210040882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398046A (en) * | 2020-10-28 | 2021-02-23 | 国网浙江永康市供电有限公司 | Double-circuit line triangular arrangement lead spreading tool |
-
2019
- 2019-08-15 CN CN201921324622.4U patent/CN210040882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398046A (en) * | 2020-10-28 | 2021-02-23 | 国网浙江永康市供电有限公司 | Double-circuit line triangular arrangement lead spreading tool |
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