CN109680600B - Bridge lightning protection device - Google Patents
Bridge lightning protection device Download PDFInfo
- Publication number
- CN109680600B CN109680600B CN201910126810.4A CN201910126810A CN109680600B CN 109680600 B CN109680600 B CN 109680600B CN 201910126810 A CN201910126810 A CN 201910126810A CN 109680600 B CN109680600 B CN 109680600B
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- CN
- China
- Prior art keywords
- bridge
- lightning protection
- protection device
- bridge pier
- pier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 31
- 229910052725 zinc Inorganic materials 0.000 claims description 31
- 239000011701 zinc Substances 0.000 claims description 31
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- 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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a bridge lightning protection device, which comprises: the cable tower is arranged at the top of the steel box girder; the lightning protection device comprises: the multi-section lead wire is respectively arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation and is sequentially connected to form a lightning protection lead wire; the lightning receiver is arranged at the top of the cable tower and is connected with a lead wire in the cable tower; the metal support is conical and is arranged at the top and the bottom of the bridge pier; wherein, the pier is prefabricated pier, and the pre-buried setting of lead wire is in prefabricated pier, and the both ends of lead wire stretch out pier top and bottom, and prefabricated pier top and bottom are provided with the bell mouth, and the shape of bell mouth suits with the metal support. The bridge lightning protection device has longer service life and can ensure the communication of the conductive paths of lightning protection equipment.
Description
Technical Field
The invention belongs to the field of lightning protection, and particularly relates to a bridge lightning protection device.
Background
Along with the rapid development of the current technology, reinforced concrete is adopted in the construction process of a large highway or railway bridge to ensure the bearing capacity of the bridge, but the possibility of lightning striking the bridge occurs in thunderstorm weather, so that the highway bridge needs to be constructed.
The lightning protection highway bridge in the present building has designed lightning rod device, but simple structure, on the one hand the lightning rod conduction way is breakable, and lightning-arrest effect is not good enough, and on the other hand traditional lightning rod's mounting means is along with the growth of live time, and the lightning rod drops easily, loses lightning-arrest effect.
Therefore, it is necessary to develop a bridge lightning protection device with longer service life, which can ensure the communication of the conductive paths of the lightning protection device.
The information disclosed in the background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a bridge lightning protection device which has longer service life and can ensure the communication of conductive paths of lightning equipment.
In order to achieve the above object, the present invention provides a bridge lightning protection device, the bridge comprising:
the cable tower is arranged at the top of the steel box girder;
the lightning protection device comprises: the multi-section lead wire is respectively arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation and is sequentially connected to form a lightning protection lead wire;
the lightning receptor is arranged at the top of the cable tower and is connected with a lead wire in the cable tower;
the metal support is conical and is arranged at the top and the bottom of the bridge pier;
the bridge pier is a prefabricated bridge pier, the lead wires are arranged in the prefabricated bridge pier in a pre-buried mode, two ends of the lead wires extend out of the top and the bottom of the bridge pier, tapered holes are formed in the top and the bottom of the prefabricated bridge pier, and the shape of each tapered hole is matched with that of the metal support.
Preferably, the bridge pier comprises a prefabricated bridge pier body, and the bridge pier body comprises a prefabricated bridge pier body and a zinc plate hook, wherein one end of the zinc plate hook penetrates through the prefabricated bridge pier body and is connected with a lead wire in the prefabricated bridge pier body.
Preferably, the novel water heater further comprises a zinc plate, wherein a through hole is formed in the zinc plate, the zinc plate can be hung on the zinc plate hook through the through hole, and one end of the zinc plate is located below the water surface or buried under the ground.
Preferably, a groove is formed in the side wall of the prefabricated pier, and the shape of the groove is matched with that of the zinc plate.
Preferably, the pile foundation structure further comprises a structural reinforcement mesh, wherein the structural reinforcement mesh is connected to the pile foundation and is positioned at the middle lower part of the pile foundation, and a lead wire of the pile foundation is connected to the structural reinforcement mesh.
Preferably, the bridge deck is arranged on the steel box girder, one end of the stay cable is connected with the steel box girder, and the other end of the stay cable is connected with the cable tower.
Preferably, a lamp post and an anti-collision guardrail are arranged on the bridge deck, bridge deck leads connected to the leads of the steel box girder are arranged in the bridge deck, and the lamp post and the anti-collision guardrail are connected to the bridge deck leads.
Preferably, the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation are provided with a plurality of leads in parallel.
Preferably, reinforcing ribs are arranged in the prefabricated bridge pier, and the reinforcing ribs are epoxy reinforcing steel bars.
Preferably, the lead is a galvanized steel bar.
The invention has the beneficial effects that:
1) The bridge lightning protection device provided by the invention has the advantages that the lead is pre-buried and arranged in the bridge pier, the connection of the lead is ensured, and the disconnection of the conductive path of lightning protection equipment is prevented.
2) The invention is convenient for the contact connection between the lead wire positioned in the bridge pier and the lead wire of the steel box girder and the bearing through the arrangement of the metal support, thereby ensuring the communication of the lightning protection lead wire;
3) Through the setting of zinc plate couple, can hang the electrically conductive lightning protection of establishing zinc plate in the pier side when lightning protection lead wire takes place to break.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic structural diagram of a bridge lightning protection device according to an embodiment of the invention.
Fig. 2 shows a schematic block diagram of lightning protection connection of steel box girders, piers, caps and pile foundations according to an embodiment of the invention.
Reference numerals illustrate:
1. a cable tower; 2. a steel box girder; 3. bridge piers; 4. bearing platform; 5. pile foundation; 6. a lead wire; 7. a lightning receptor; 8. a metal support; 9. a lamp post; 10. bridge deck lead wire.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a bridge lightning protection device, which comprises: the cable tower is arranged at the top of the steel box girder;
the lightning protection device comprises: the multi-section lead wire is respectively arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation and is sequentially connected to form a lightning protection lead wire;
the lightning receptor is arranged at the top of the cable tower and is connected with a lead wire in the cable tower;
the metal support is conical and is arranged at the top and the bottom of the bridge pier;
the bridge pier is a prefabricated bridge pier, the lead wires are arranged in the prefabricated bridge pier in a pre-buried mode, two ends of the lead wires extend out of the top and the bottom of the bridge pier, tapered holes are formed in the top and the bottom of the prefabricated bridge pier, and the shape of each tapered hole is matched with that of the metal support.
Specifically, when in use, the lightning receptor is arranged at the highest position of the bridge at the top of the cable tower of the bridge and used for receiving lightning and thunder, and after the lightning receptor is struck by lightning, the lightning receptor is led into the ground or underwater through leads sequentially arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation, and the multi-section leads are arranged in bridge parts to prevent the lightning protection leads from breaking and ensure the lightning protection effect.
Further, through the setting of toper metal support, metal support binding off end is connected in the lead wire that sets up in the pier, and the other end is the flaring end and is used for connecting in steel case roof beam or cushion cap, and the setting of flaring end is convenient for metal support and the lead wire contact in steel case roof beam and the cushion cap, and the setting of toper metal support is convenient for install fixedly.
The bridge pier is characterized by further comprising a zinc plate hook, wherein one end of the zinc plate hook penetrates through the prefabricated bridge pier to be connected with a lead in the prefabricated bridge pier.
Specifically, the zinc plate hook is a metal piece pre-buried in the bridge pier, and when the lightning protection lead wire of the lightning protection device is broken, the zinc plate is hung on the other end of the side surface of the bridge pier to be grounded or contacted with the water surface through the arrangement of the zinc plate hook, so that the lightning protection device has the effect of lightning protection.
As the preferable scheme, the novel water heater also comprises a zinc plate, wherein a through hole is formed in the zinc plate, the zinc plate can be hung on the zinc plate hook through the through hole, and one end of the zinc plate is located below the water surface or buried under the ground.
Preferably, grooves are formed in the side walls of the prefabricated bridge piers, and the shapes of the grooves are matched with the shapes of the zinc plates.
Specifically, set up the through-hole and be convenient for the string of zinc board and establish on the zinc board, reserve the recess and be convenient for the installation of zinc board and fix when prefabricating the pier.
Preferably, the pile foundation structure further comprises a structural reinforcement mesh, wherein the structural reinforcement mesh is connected with the pile foundation and is positioned at the middle lower part of the pile foundation, and a lead wire of the pile foundation is connected with the structural reinforcement mesh.
Specifically, through the setting of structure reinforcing bar net, make bridge overall structure more firm on the one hand, on the other hand is convenient for lightning protection and meets the sudden strain of a muscle.
As the preferable scheme, the cable tower further comprises a bridge deck and a stay cable, wherein the bridge deck is arranged on the steel box girder, one end of the stay cable is connected with the steel box girder, and the other end of the stay cable is connected with the cable tower.
As an optimal scheme, be provided with lamp pole and anticollision barrier on the bridge floor, be provided with in the bridge floor connect in the steel case roof beam the bridge floor lead wire of lead wire, lamp pole and anticollision barrier connect in the bridge floor lead wire.
Specifically, because the lamp pole and the anti-collision guardrail have the characteristics of vertical setting and being higher than the bridge floor, the bridge floor lead wire is connected in the lamp pole and the anti-collision guardrail and plays the effect of assisting the lightning protection, prevents that the lightning stroke bridge floor from causing the accident.
As an optimal scheme, the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation are provided with a plurality of leads which are arranged in parallel. The scheme that many leads set up in parallel further prevents that lightning protection lead wire from breaking.
As a preferable scheme, reinforcing ribs are arranged in the prefabricated bridge pier, and the reinforcing ribs are epoxy reinforcing steel bars.
Preferably, the lead is galvanized steel bar.
Specifically, strengthening rib and lead wire components of a whole that can function independently set up at prefabricated pier in-process, and each at its own discretion makes the bridge firm have lightning protection effect concurrently simultaneously, prevents pier reinforcing bar oxidation corrosion through the selection of epoxy reinforcement.
Examples
Fig. 1 shows a schematic structural diagram of a bridge lightning protection device according to an embodiment of the invention. Fig. 2 shows a schematic block diagram of lightning protection connection of steel box girders, piers, caps and pile foundations according to an embodiment of the invention.
As shown in fig. 1-2, the bridge includes, for example, a construction project: the cable tower comprises a cable tower 1, a steel box girder 2, a bridge pier 3, a bearing platform 4 and a pile foundation 5, wherein one end of the pile foundation 5 is inserted into the ground, the bearing platform 4 is arranged at the top of the other end of the pile foundation, the bridge pier 3 is arranged at the top of the bearing platform 4, the steel box girder 2 is arranged at the top of the bridge pier 3, and the cable tower 1 is arranged at the top of the steel box girder 2;
the lightning protection device comprises: the multi-section lead wire 6 is respectively arranged in the cable tower 1, the steel box girder 2, the bridge pier 3, the bearing platform 4 and the pile foundation 5 and is sequentially connected to form a lightning protection lead wire;
a lightning receptor 7, the lightning receptor 7 being arranged at the top of the cable tower 1, the lightning receptor 7 being connected to a lead wire within the cable tower 1;
the metal support 8 is conical and is arranged at the top and the bottom of the bridge pier 3;
the bridge pier 3 is a prefabricated bridge pier, the lead wires 6 are arranged in the prefabricated bridge pier in a pre-buried mode, two ends of the lead wires 6 extend out of the top and the bottom of the bridge pier 3, tapered holes are formed in the top and the bottom of the prefabricated bridge pier, and the shape of each tapered hole is matched with that of the metal support 8.
Wherein, be provided with lamp pole 9 and anticollision barrier on the bridge floor, be provided with in the bridge floor connect in the steel case roof beam the bridge floor lead wire 10 of lead wire, lamp pole 9 with anticollision barrier connect in the bridge floor lead wire.
The cable tower 1, the steel box girder 2, the bridge pier 3, the bearing platform 4 and the pile foundation 5 are provided with a plurality of leads which are arranged in parallel.
Wherein, be provided with the strengthening rib in the prefabricated pier, the strengthening rib is the epoxy reinforcing bar.
Wherein, lead wire 6 is galvanized steel bar.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (8)
1. The utility model provides a bridge lightning protection device which characterized in that, this bridge includes: the cable tower is arranged at the top of the steel box girder;
the lightning protection device comprises: the multi-section lead wire is respectively arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation and is sequentially connected to form a lightning protection lead wire;
the lightning receptor is arranged at the top of the cable tower and is connected with a lead wire in the cable tower;
the metal support is conical and is arranged at the top and the bottom of the bridge pier;
the bridge pier is a prefabricated bridge pier, the lead wires are arranged in the prefabricated bridge pier in a pre-buried mode, two ends of the lead wires extend out of the top and the bottom of the bridge pier, tapered holes are formed in the top and the bottom of the prefabricated bridge pier, the shape of each tapered hole is matched with that of each metal support, the closing end of each metal support is connected with the lead wires arranged in the bridge pier, the expanding end of each metal support is connected with a steel box girder or a bearing platform, and the metal supports are in contact with the lead wires in the steel box girder and the bearing platform;
the zinc plate hook is characterized in that one end of the zinc plate hook penetrates through the prefabricated bridge pier to be connected with a lead in the prefabricated bridge pier;
the zinc plate is provided with a through hole, the zinc plate can be hung on the zinc plate hook through the through hole, and one end of the zinc plate is positioned below the water surface or buried under the ground.
2. The bridge lightning protection device according to claim 1, wherein grooves are formed in the side walls of the prefabricated bridge pier, and the grooves are shaped to be matched with the zinc plates.
3. The bridge lightning protection device of claim 1, further comprising a structural reinforcement mesh connected to the pile foundation at a lower middle portion thereof, and wherein the leads of the pile foundation are connected to the structural reinforcement mesh.
4. The bridge lightning protection device according to claim 1, further comprising a bridge deck and a stay cable, wherein the bridge deck is arranged on the steel box girder, one end of the stay cable is connected to the steel box girder, and the other end of the stay cable is connected to the cable tower.
5. The bridge lightning protection device according to claim 4, wherein a lamp post and an anti-collision guardrail are arranged on the bridge deck, bridge deck leads connected to the leads of the steel box girder are arranged in the bridge deck, and the lamp post and the anti-collision guardrail are connected to the bridge deck leads.
6. The bridge lightning protection device according to claim 1, wherein a plurality of leads are arranged in the cable tower, the steel box girder, the bridge pier, the bearing platform and the pile foundation in parallel.
7. The bridge lightning protection device according to claim 1, wherein reinforcing ribs are arranged in the prefabricated bridge pier, and the reinforcing ribs are epoxy reinforcing steel bars.
8. The bridge lightning protection device of claim 1, wherein the lead is a galvanized steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126810.4A CN109680600B (en) | 2019-02-20 | 2019-02-20 | Bridge lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126810.4A CN109680600B (en) | 2019-02-20 | 2019-02-20 | Bridge lightning protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680600A CN109680600A (en) | 2019-04-26 |
| CN109680600B true CN109680600B (en) | 2024-02-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910126810.4A Active CN109680600B (en) | 2019-02-20 | 2019-02-20 | Bridge lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109680600B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112574612A (en) * | 2019-09-27 | 2021-03-30 | 广东禅运钢构有限公司 | Dampproof lightning protection process for broadcast television tower |
| CN114892497A (en) * | 2022-03-25 | 2022-08-12 | 中国建筑土木建设有限公司 | Lightning protection grounding device of assembled bridge and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183529A (en) * | 1996-12-24 | 1998-07-14 | Kajima Corp | Lighting protecting method for cable stayed bridge |
| CN202094476U (en) * | 2011-06-28 | 2011-12-28 | 广州地铁设计研究院有限公司 | Lightning protection system for track traffic elevated region |
| CN203270441U (en) * | 2013-06-06 | 2013-11-06 | 张爱梅 | Lightening-proof highway bridge |
| KR101605511B1 (en) * | 2015-12-14 | 2016-04-01 | (주)옴니엘피에스 | Lightning protecting apparatus for spreading lightning current for cable-stayed bridge |
| CN205688331U (en) * | 2016-06-02 | 2016-11-16 | 上海华城工程建设管理有限公司 | Universal elevated bridge lightning protection protection system |
| KR101706974B1 (en) * | 2016-07-04 | 2017-02-15 | 수풍산업 주식회사 | Rocking bridge system |
| CN209669682U (en) * | 2019-02-20 | 2019-11-22 | 广东省气象公共安全技术支持中心 | Bridge lightning protection device |
-
2019
- 2019-02-20 CN CN201910126810.4A patent/CN109680600B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183529A (en) * | 1996-12-24 | 1998-07-14 | Kajima Corp | Lighting protecting method for cable stayed bridge |
| CN202094476U (en) * | 2011-06-28 | 2011-12-28 | 广州地铁设计研究院有限公司 | Lightning protection system for track traffic elevated region |
| CN203270441U (en) * | 2013-06-06 | 2013-11-06 | 张爱梅 | Lightening-proof highway bridge |
| KR101605511B1 (en) * | 2015-12-14 | 2016-04-01 | (주)옴니엘피에스 | Lightning protecting apparatus for spreading lightning current for cable-stayed bridge |
| CN205688331U (en) * | 2016-06-02 | 2016-11-16 | 上海华城工程建设管理有限公司 | Universal elevated bridge lightning protection protection system |
| KR101706974B1 (en) * | 2016-07-04 | 2017-02-15 | 수풍산업 주식회사 | Rocking bridge system |
| CN209669682U (en) * | 2019-02-20 | 2019-11-22 | 广东省气象公共安全技术支持中心 | Bridge lightning protection device |
Non-Patent Citations (3)
| Title |
|---|
| 东海大桥综合防雷工程的设计;徐鑫，等;《低压电器》(第10期);第28-38页 * |
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| CN109680600A (en) | 2019-04-26 |
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