CN211908293U - Lightning protection system of telegraph pole - Google Patents
Lightning protection system of telegraph pole Download PDFInfo
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- CN211908293U CN211908293U CN201922477271.7U CN201922477271U CN211908293U CN 211908293 U CN211908293 U CN 211908293U CN 201922477271 U CN201922477271 U CN 201922477271U CN 211908293 U CN211908293 U CN 211908293U
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Abstract
The utility model relates to an electric power transmission equipment technical field, concretely relates to is a lightning protection system of wire pole improves through to lightning protection needle, ground connection downlead and ground net, and the conducting seat and the conducting rod of setting will be in following the comparatively quick transport to the network structure of the electric charge of ground connection downlead conduction that can be timely to through the earth terminal earial drainage to ground. The multi-layer annular conductive net consisting of the inner annular conductive net, the first annular conductive net, the second annular conductive net and the outer annular conductive net is adopted, and charges can be dispersed and conveyed. The problem of among the current lightning protection system lightning protection needle mostly be single structure, can't in time carry out the earial drainage on the leading-in ground of electric charge of receiving to unable fine protection wire pole or transformer case isotructure, current ground net overall member simple structure simultaneously can't in time carry out the earial drainage when handling great electric charge, leads to the lightning-arrest effect unsatisfactory is solved.
Description
Technical Field
The utility model relates to an electric power transmission equipment technical field, concretely relates to is a lightning protection system of wire pole.
Background
The utility pole is one of indispensable electric devices for supporting wires, fittings, and the like. With the development of economy, the arrangement range of the telegraph poles is wider and wider. Among the prior art, the wire pole includes inside reinforcing bar, and the outside of reinforcing bar utilizes concrete placement to form has the body of rod, and the wire pole is processed by the processing factory, transports the place that needs the installation by the staff after processing is accomplished.
Present lightning protection system based on wire pole is many by lightning protection needle, ground connection downlead and earth mat and is constituteed, but its lightning protection needle is mostly single structure, can't in time carry out the earial ground of charge that receives to unable fine protection wire pole goes up electric wire or transformer case isotructure, and current earth mat whole component simple structure simultaneously can't in time carry out the earial drainage when dealing with great electric charge, leads to lightning-arrest effect unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model discloses lightning protection needle is mostly single structure among the current lightning protection system, can't in time carry out the earial drainage on ground of the electric charge that receives to unable fine protection wire pole goes up the electric wire or the transformer box isotructure, current ground net whole component simple structure simultaneously can't in time carry out the earial drainage when handling great electric charge, leads to the unsatisfactory problem of lightning-arrest effect, provides a lightning protection system of wire pole.
The technical scheme is that the lightning protection system of the telegraph pole comprises an upper section telegraph pole, a lower section telegraph pole and a grounding downlead, wherein the upper section telegraph pole is connected with the lower section telegraph pole through a flange connection structure, an upper sealing cover is arranged at the top of the upper section telegraph pole, a lower base is arranged at the bottom of the lower section telegraph pole, the grounding downlead is arranged in the telegraph pole, the top of the grounding downlead is connected with a lightning protection needle group, the bottom of the grounding downlead is connected with a grounding net, the grounding net is arranged in the lower base, the grounding net comprises a conductive seat, a net structure and a grounding terminal, the conductive seat is of a cylindrical structure and is connected with the grounding downlead through a conductive rod arranged at the periphery of the conductive seat, the grounding net structure comprises a plurality of layers of annular conductive nets and radial conductive wires radiating outwards from the center of the net structure, the top is connected with the intersection of the radial conductive wire and the multilayer annular conductive net;
the periphery of the telegraph pole is connected with a fixed lantern ring, the side wall of the upper section of the telegraph pole is provided with a bulge, and a connecting rod with one end communicated with the grounding downlead penetrates through the bulge;
the lightning protection needle group comprises a first lightning protection needle group and a second lightning protection needle group, the first lightning protection needle group comprises a first lightning protection needle, a first discharge porcelain bottle and a first grounding flexible wire, the first lightning protection needle, the first discharge porcelain bottle and the first grounding flexible wire are all arranged on the upper sealing cover, the bottom of the first lightning protection needle is respectively connected with the first grounding flexible wire and the grounding down lead, and the first grounding flexible wire is connected with the first discharge porcelain bottle;
the second lightning protection needle group comprises a second lightning protection needle, a second discharge porcelain bottle, a second grounding flexible wire and a supporting seat, the second lightning protection needle, the second discharge porcelain bottle and the second grounding flexible wire are all arranged on the supporting seat, and the bottom of the second lightning protection needle is connected with the second grounding flexible wire and the built-in conductive core of the supporting seat and is connected with the grounding core in the connecting rod through the built-in conductive core of the supporting seat;
the fixed lantern ring is provided with an inclined strut, and one end of the inclined strut is connected with the connecting rod through a second connecting piece.
Furthermore, the multilayer annular conductive net comprises an inner annular conductive net, a first annular conductive net, a second annular conductive net and an outer annular conductive net from inside to outside, one end of the radial conductive wire is connected with the inner annular conductive net, the other end of the radial conductive wire is connected with the outer annular conductive net, and the radial conductive wire is respectively intersected with the first annular conductive net and the second annular conductive net.
Optionally, the bottom of the ground terminal is provided with a spike portion, and the top of the ground terminal is provided with a fixing column.
Optionally, the intersection of the radial conductive wire and the first annular conductive mesh and the intersection of the radial conductive wire and the second annular conductive mesh are annular structures, and the annular structures are sleeved on the fixed column and connected with the ground terminal.
Furthermore, the distance between the multilayer annular conductive net and the ground is increased from the inner ring to the outer ring.
Optionally, the conductive rod is connected with a connection terminal of the inner annular conductive mesh.
Optionally, the protruding portion is located above the fixed lantern ring and inclines downwards, the second connecting piece is of an annular structure, the connecting rod penetrates through the annular structure, and the periphery of the second connecting piece is connected with the inclined strut.
Furthermore, the connecting rod is connected with the grounding down lead through a first connecting piece, the first connecting piece comprises a fixing ring and a conductive seat, the grounding down lead penetrates through the fixing ring, one end of the conductive seat is fixed on the grounding down lead, the other end of the conductive seat is connected with the connecting rod, and a conductive structure is arranged in the conductive seat and used for communicating the grounding core with the grounding down lead.
Optionally, a cushion pad is arranged in the fixing ring, the grounding downlead is connected with the cushion pad in a jacking mode, a threaded structure is arranged at the connecting end of the connecting rod and the conductive base, the conductive base comprises a connecting pipe and a conductive fixing claw, a contact piece communicated with the conductive fixing claw is arranged in the connecting pipe, and a thread is arranged at the opening of the connecting pipe and connected with the connecting rod through the threaded structure.
Further, the side wall of the connecting pipe is provided with an insulating fastening bolt.
The utility model has the advantages that at least one of the following advantages is included;
1. through the conductive seat and the conductive rod that set up, can be timely will follow the comparatively quick transport to the network structure of electric charge of ground connection downlead conduction to through the earth terminal earial drainage to ground.
2. The multi-layer annular conductive net consisting of the inner annular conductive net, the first annular conductive net, the second annular conductive net and the outer annular conductive net is adopted, so that charges can be dispersed and conveyed, and then the current leakage is completed through the plurality of grounding terminals.
3. Set up first lightning protection needle group and second lightning protection needle group on through the upper segment wire pole, can form a plurality of lightning protection and draw the electric structure, obtain promoting than its lightning protection effect of single lightning rod. All be provided with lightning protection needle and discharge porcelain bottle in first lightning protection needle group and the second lightning protection needle group, the electric charge that is received by the lightning protection needle is partly carried to discharge porcelain bottle through the ground connection patchcord and carries out the earial drainage, can reduce the work load of ground connection downlead, improves the stability of whole structure.
4. The problem of among the current lightning protection system lightning protection needle mostly be single structure, can't in time carry out the earial drainage on the leading-in ground of electric charge of receiving to unable fine protection wire pole or transformer case isotructure, current ground net overall member simple structure simultaneously can't in time carry out the earial drainage when handling great electric charge, leads to the lightning-arrest effect unsatisfactory is solved.
Drawings
Figure 1 is a schematic structural view of a lightning protection system for a utility pole;
FIG. 2 is a schematic view of a connecting portion;
FIG. 3 is a schematic top view of the connecting portion;
FIG. 4 is a schematic view of a first connector structure;
FIG. 5 is a schematic view of another first connecting member structure;
FIG. 6 is a schematic view of a lower base structure;
FIG. 7 is a schematic view of a mesh structure;
FIG. 8 is a schematic view of a ground terminal structure;
labeled as: 1 is an upper segment telegraph pole, 2 is a lower segment telegraph pole, 3 is a flange connection structure, 4 is an upper sealing cover, 5 is a lower base, 7 is a grounding down lead, 8 is a grounding net, 9 is a cavity, 10 is a fixing part, 11 is a connecting part, 12 is an upper fixing seat, 13 is a lower fixing seat, 14 is an upper connecting part, 15 is a lower connecting part, 16 is an upper fixing ring, 17 is a lower fixing ring, 18 is a fixing bolt, 19 is a contact seat, 20 is a buffer seat, 21 is a conductive seat, 22 is a net structure, 23 is a grounding terminal, 24 is a fixing column, 25 is a conductive rod, 26 is a connecting terminal, 27 is an inner ring-shaped conductive net, 28 is a first ring-shaped conductive net, 29 is a second ring-shaped conductive net, 30 is an outer ring-shaped conductive net, 31 is a ray-shaped conductive wire, 32 is a ring-shaped structure, 33 is a sharp part, 34 is a first lightning protection needle, 35 is a first grounding, 36 is a first discharging porcelain bottle, 37, 38 is a convex part, 39 is a second connecting piece, 40 is a second lightning protection needle, 41 is a second discharge porcelain bottle, 42 is a supporting seat, 43 is a connecting rod, 44 is a diagonal support, 45 is a fixing collar, 46 is a cushion pad, 47 is an insulating fastening bolt, 48 is a threaded structure, 49 is a grounding core, 50 is a conductive fixing claw, 51 is a connecting pipe, 52 is an official cavity, and 53 is a fixing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the lightning protection system of the utility pole comprises an upper section of the utility pole 1, a lower section of the utility pole 2 and a ground down conductor 7, the upper section of the utility pole 1 and the lower section of the utility pole 2 are connected by a flange connection structure 3, the top of the upper section of the utility pole is provided with an upper cover 4, the bottom of the lower section of the utility pole 2 is provided with a lower base 5, the ground down conductor 7 is arranged in the utility pole, the top of the ground down conductor 7 is connected with a lightning protection needle group, the bottom of the ground down conductor 7 is connected with a ground net 8, wherein the ground net 8 is arranged in the lower base 5, the ground net 8 comprises a conductive seat 21, a net structure 22 and a ground terminal 23, the conductive seat 21 is a cylindrical structure, is connected with the ground down conductor 7 and is connected with the net structure 22 by a conductive rod 25 arranged at the periphery of the conductive seat 21, the net structure, the radial conductive wire 31 is intersected with the multilayer annular conductive net, the bottom of the grounding terminal 23 is inserted into the ground surface, and the top of the grounding terminal is connected with the intersection of the radial conductive wire 31 and the multilayer annular conductive net;
the periphery of the telegraph pole 1 is connected with a fixed lantern ring 45, the side wall of the upper section of the telegraph pole 1 is provided with a bulge 38, and a connecting rod 43 with one end communicated with the grounding down lead 7 penetrates through the bulge 38;
the lightning protection needle group comprises a first lightning protection needle group and a second lightning protection needle group, the first lightning protection needle group comprises a first lightning protection needle 34, a first discharge porcelain bottle 36 and a first grounding flexible wire 35, the first lightning protection needle 34, the first discharge porcelain bottle 36 and the first grounding flexible wire 35 are all arranged on the upper sealing cover 4, the bottom of the first lightning protection needle 34 is respectively connected with the first grounding flexible wire 35 and the grounding downlead 7, and the first grounding flexible wire 35 is connected with the first discharge porcelain bottle 36;
the second lightning protection needle group comprises a second lightning protection needle 40, a second discharge porcelain bottle 41, a second grounding flexible wire and a supporting seat 42, the second lightning protection needle 40, the second discharge porcelain bottle 41 and the second grounding flexible wire are all arranged on the supporting seat 42, the bottom of the second lightning protection needle 40 is connected with the second grounding flexible wire and a built-in conductive core of the supporting seat 42, and is connected with a grounding core 49 in a connecting rod 43 through the built-in conductive core of the supporting seat 42;
the fixed collar 45 is provided with an inclined strut 44, and one end of the inclined strut 44 is connected with the connecting rod 43 through the second connecting piece 39.
In the use, through the conductive seat and the conducting rod that set up, can be timely will follow the comparatively quick transport to the network structure of electric charge of ground connection downlead conduction to through the earth terminal earial drainage to ground. The multi-layer annular conductive net consisting of the inner annular conductive net, the first annular conductive net, the second annular conductive net and the outer annular conductive net is adopted, so that charges can be dispersed and conveyed, and then the current leakage is completed through the plurality of grounding terminals. Set up first lightning protection needle group and second lightning protection needle group on through the upper segment wire pole, can form a plurality of lightning protection and draw the electric structure, obtain promoting than its lightning protection effect of single lightning rod. All be provided with lightning protection needle and discharge porcelain bottle in first lightning protection needle group and the second lightning protection needle group, the electric charge that is received by the lightning protection needle is partly carried to discharge porcelain bottle through the ground connection patchcord and carries out the earial drainage, can reduce the work load of ground connection downlead, improves the stability of whole structure. The problem of among the current lightning protection system lightning protection needle mostly be single structure, can't in time carry out the earial drainage on the leading-in ground of electric charge of receiving to unable fine protection wire pole or transformer case isotructure, current ground net overall member simple structure simultaneously can't in time carry out the earial drainage when handling great electric charge, leads to the lightning-arrest effect unsatisfactory is solved.
Meanwhile, the bottom of the ground downlead 7 is connected with a ground net 8 arranged in the lower base 5, in order to facilitate the fixation of the whole ground downlead, a connecting part 11 is arranged below the flange structure 3, the connecting part 11 is connected with the inner wall of an inner cavity 9 of the lower section telegraph pole 2 through a fixing part 10, the ground downlead passes through the connecting part 11, an upper fixing seat 12 and a lower fixing seat 13 are arranged on the connecting part 11, an upper connecting part 14 is arranged on the upper surface of the connecting part 11, a lower connecting part 15 is arranged on the lower surface of the connecting part, and the peripheral heads of the upper connecting part and the lower connecting part are provided with threads and are respectively connected with the upper fixing.
Then, be provided with upper fixed ring and lower fixed ring on last fixing base and the lower fixing base respectively, the ground connection downlead passes upper fixed ring and lower fixed ring, and upper fixed ring and lower fixed ring structure are the same, are provided with the even cushion socket 20 of interval in the upper fixed ring, and the upper fixed ring lateral wall is provided with fixing bolt 18, and the ground connection downlead contacts with cushion socket and fixing bolt respectively, and fixing bolt and ground connection downlead contact surface are provided with arc contact seat 19.
The second lightning protection needle group receives charges through the second lightning protection needle, one part of the charges are conveyed to the second discharging porcelain insulator through the second grounding flexible wire to be discharged, the other part of the charges are conveyed to the grounding core of the connecting rod through the built-in conductive core of the supporting seat, and the grounding core is transmitted to the grounding down lead to achieve lightning protection leakage.
In this embodiment, the protrusion 38 is located above the fixing collar 45, and is inclined downward, and the inclined strut is provided to support the connecting rod, so as to prevent the connecting rod and/or the supporting seat from sliding or bending.
In this embodiment, the second connecting member 39 is a ring structure, the connecting rod 43 passes through the ring structure, and the outer periphery of the second connecting member 39 is connected to the inclined strut 44.
In the use, through the annular structure who sets up, support the connecting rod for connecting rod, bracing and fixed lantern ring are the triangle-shaped structure along the upper segment wire pole along the line, improve holistic stability by a wide margin.
As shown in fig. 4 and 5, in the present embodiment, the connecting rod 43 is connected to the ground down conductor 7 through the first connecting member 37, the first connecting member 37 includes a fixing ring 53 and a conductive seat, the ground down conductor 7 passes through the fixing ring 53, one end of the conductive seat is fixed to the ground down conductor 7, the other end of the conductive seat is connected to the connecting rod 43, and a conductive structure is disposed in the conductive seat to communicate the ground core 49 with the ground down conductor 7.
In use, the fixing ring plays a role in fixing and limiting the grounding down lead, the probability of shaking of the grounding down lead can be effectively reduced, and meanwhile, one end of the conductive seat is connected with the grounding core, the other end of the conductive seat is communicated with the grounding down lead, and charge transfer is realized.
In this embodiment, the cushion 46 is disposed in the fixing ring 53, and the ground down conductor 7 is connected to the cushion 46.
In the use, can further improve the limit function of ground connection downlead through built-in blotter, improve the stability of whole structure.
In this embodiment, a threaded structure 48 is disposed at a connection end of the connecting rod 43 and the conductive holder, the conductive holder includes a connecting pipe 51 and a conductive fixing claw 50, a contact piece communicated with the conductive fixing claw 50 is disposed in the connecting pipe 51, and a thread is disposed at an opening of the connecting pipe 51 and connected to the connecting rod 43 through the threaded structure 48. The sidewall of the connection pipe 51 is provided with an insulating fastening bolt 47.
In use, electrically conductive seat comprises connecting pipe and electrically conductive stationary dog, and its electrically conductive stationary dog is electrically conductive material and is the arc claw structure, and with the periphery contact of ground connection downlead, be provided with lumen 52 in the connecting pipe, insert the connecting rod in the lumen when connecting to carry out fixed connection through helicitic texture and screw thread, the ground connection core that stretches into in the lumen contacts the electric sheet apical grafting in with the connecting pipe under insulating fastening bolt effect, can accomplish the transport of electric charge.
As shown in fig. 6 and 7, in the present embodiment, the multilayer annular conductive net includes, from inside to outside, an inner annular conductive net 27, a first annular conductive net 28, a second annular conductive net 29, and an outer annular conductive net 30, one end of a radial conductive wire 31 is connected to the inner annular conductive net 27, the other end is connected to the outer annular conductive net 30, and the radial conductive wire 31 intersects with the first annular conductive net 28 and the second annular conductive net 29, respectively.
When the multi-layer annular conductive net is used, the multi-layer annular conductive net consisting of the inner annular conductive net, the first annular conductive net, the second annular conductive net and the outer annular conductive net is adopted, so that electric charges can be dispersed and conveyed, and then the current leakage is completed through the plurality of grounding terminals.
As shown in fig. 8, in the present embodiment, the bottom of the ground terminal 23 is provided with a spike portion 33, and the top of the ground terminal 23 is provided with a fixing post 24. The intersection of the radial conductive wire 31 and the first annular conductive net 28 and the second annular conductive net 29 is an annular structure 32, and the annular structure 32 is sleeved on the fixing column 24 and connected with the grounding terminal 23.
In the use, through set up spine portion in ground terminal bottom, can be convenient for insert ground terminal ground, the fixed column that sets up simultaneously cooperatees with annular structure, can make annular structure be connected with the fixed column.
In this embodiment, the distance between the multilayer annular conductive net and the ground increases from the inner ring to the outer ring. The conductive rod 25 is connected to a connection terminal 26 of an inner annular conductive mesh 27.
Claims (10)
1. Lightning protection system of wire pole, including upper segment wire pole (1), hypomere wire pole (2) and ground connection downlead (7), upper segment wire pole (1) and hypomere wire pole (2) are connected through flange joint structure (3), and upper segment wire pole top is equipped with upper cover (4), hypomere wire pole (2) bottom is provided with down base (5), in ground connection downlead (7) were located the wire pole, ground connection downlead (7) top and lightning protection needle group link, ground connection downlead (7) bottom was connected with earth mat (8), its characterized in that: the grounding net (8) is arranged in the lower base (5), the grounding net (8) comprises a conductive seat (21), a net structure (22) and a grounding terminal (23), the conductive seat (21) is of a cylindrical structure and is connected with a grounding down lead (7) and is connected with the net structure (22) through a conductive rod (25) arranged on the periphery of the conductive seat (21), the net structure (22) consists of a plurality of layers of annular conductive nets and radial conductive wires (31) radiating outwards from the center of the net structure (22), the radial conductive wires (31) are intersected with the plurality of layers of annular conductive nets, the bottom of the grounding terminal (23) is inserted into the ground surface, and the top of the grounding terminal is connected with the intersection of the radial conductive wires (31) and the plurality of layers of annular conductive nets;
the periphery of the telegraph pole (1) is connected with a fixed lantern ring (45), the side wall of the upper section of the telegraph pole (1) is provided with a bulge (38), and a connecting rod (43) with one end communicated with the grounding down lead (7) penetrates through the bulge (38);
the lightning protection needle group comprises a first lightning protection needle group and a second lightning protection needle group, the first lightning protection needle group comprises a first lightning protection needle (34), a first discharge porcelain bottle (36) and a first grounding flexible wire (35), the first lightning protection needle (34), the first discharge porcelain bottle (36) and the first grounding flexible wire (35) are all arranged on the upper sealing cover (4), the bottom of the first lightning protection needle (34) is respectively connected with the first grounding flexible wire (35) and the grounding down lead (7), and the first grounding flexible wire (35) is connected with the first discharge porcelain bottle (36);
the second lightning protection needle group comprises a second lightning protection needle (40), a second discharge porcelain bottle (41), a second grounding flexible wire and a supporting seat (42), the second lightning protection needle (40), the second discharge porcelain bottle (41) and the second grounding flexible wire are all arranged on the supporting seat (42), the bottom of the second lightning protection needle (40) is connected with the second grounding flexible wire and a built-in conductive core of the supporting seat (42), and the second lightning protection needle group is connected with a built-in conductive core of the supporting seat (42) and a built-in grounding core (49) of a connecting rod (43);
an inclined strut (44) is arranged on the fixed lantern ring (45), and one end of the inclined strut (44) is connected with the connecting rod (43) through a second connecting piece (39).
2. The lightning protection system of a utility pole of claim 1, wherein: the multilayer annular conductive net comprises an inner annular conductive net (27), a first annular conductive net (28), a second annular conductive net (29) and an outer annular conductive net (30) from inside to outside, one end of a radial conductive wire (31) is connected with the inner annular conductive net (27), the other end of the radial conductive wire is connected with the outer annular conductive net (30), and the radial conductive wire (31) is intersected with the first annular conductive net (28) and the second annular conductive net (29) respectively.
3. The lightning protection system of a utility pole of claim 2, wherein: the bottom of the grounding terminal (23) is provided with a spike part (33), and the top of the grounding terminal (23) is provided with a fixing column (24).
4. The lightning protection system of a utility pole of claim 3, wherein: the intersection of the radial conductive wire (31) and the first annular conductive net (28) and the second annular conductive net (29) is an annular structure (32), and the annular structure (32) is sleeved above the fixed column (24) and connected with the grounding terminal (23).
5. The lightning protection system of a utility pole of claim 2, wherein: the distance between the multilayer annular conductive net and the ground is increased from the inner ring to the outer ring.
6. The lightning protection system of a utility pole of claim 5, wherein: the conductive rod (25) is connected with a connecting terminal (26) of the inner annular conductive net (27).
7. The lightning protection system of a utility pole of claim 6, wherein: the bulge (38) is positioned above the fixed lantern ring (45) and is inclined downwards, the second connecting piece (39) is of an annular structure, the connecting rod (43) penetrates through the annular structure, and the periphery of the second connecting piece (39) is connected with the inclined strut (44).
8. The lightning protection system of a utility pole of claim 7, wherein: connecting rod (43) are connected with ground connection downlead (7) through first connecting piece (37), first connecting piece (37) are including solid fixed ring (53) and electrically conductive seat, ground connection downlead (7) pass solid fixed ring (53), electrically conductive seat one end is fixed in on ground connection downlead (7), and the other end is connected with connecting rod (43), and is provided with electrically conductive structure in the electrically conductive seat and leads down line (7) intercommunication with ground connection core (49).
9. The lightning protection system of a utility pole of claim 8, wherein: be provided with blotter (46) in solid fixed ring (53), and ground connection downlead (7) and blotter (46) apical grafting, connecting rod (43) are provided with helicitic texture (48) with electrically conductive seat connection end, electrically conductive seat includes connecting pipe (51) and electrically conductive stationary dog (50), be provided with in connecting pipe (51) with electrically conductive stationary dog (50) intercommunication touch the electric piece, and connecting pipe (51) opening part is provided with the screw thread and is connected with connecting rod (43) through helicitic texture (48).
10. The lightning protection system of a utility pole of claim 9, wherein: and the side wall of the connecting pipe (51) is provided with an insulating fastening bolt (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477271.7U CN211908293U (en) | 2019-12-31 | 2019-12-31 | Lightning protection system of telegraph pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477271.7U CN211908293U (en) | 2019-12-31 | 2019-12-31 | Lightning protection system of telegraph pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211908293U true CN211908293U (en) | 2020-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477271.7U Active CN211908293U (en) | 2019-12-31 | 2019-12-31 | Lightning protection system of telegraph pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211908293U (en) |
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2019
- 2019-12-31 CN CN201922477271.7U patent/CN211908293U/en active Active
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