CN104882686A - Lightning protection downlead and construction method thereof - Google Patents
Lightning protection downlead and construction method thereof Download PDFInfo
- Publication number
- CN104882686A CN104882686A CN201510276824.6A CN201510276824A CN104882686A CN 104882686 A CN104882686 A CN 104882686A CN 201510276824 A CN201510276824 A CN 201510276824A CN 104882686 A CN104882686 A CN 104882686A
- Authority
- CN
- China
- Prior art keywords
- main muscle
- prefabricated frame
- metallic conductor
- end metallic
- conduction
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Abstract
The invention discloses a lightning protection downlead and a construction method thereof. The downlead comprises an upper end metal conductor, a lower end metal conductor and main reinforcements in prefabricated frame columns. Two up and down adjacent prefabricated frame columns are mutually connected at a building floor. All the main reinforcements in the two up and down adjacent prefabricated frame columns are connected at the building floor through grouting. At least one main reinforcement in each prefabricated frame column is selected and is served as a conductive main reinforcement. Two ends of the conductive main reinforcement are welded with the upper end metal conductor and the lower end metal conductor. The upper end metal conductors and the lower end metal conductors of the two up and down adjacent conductive main reinforcements are mutually welded in the building floor. Compared to the prior art, by using the lightning protection downlead and the construction method in the invention, there are the following advantages that the main reinforcements which can not form continuous conductors form the continuous conductors so that a metal conductor lightning protection downlead which connects a roof lightning arrester and a grounding device is formed; requirements of direct lightning prevention, lightning surge intrusion prevention and a lightning electromagnetic pulse can be satisfied.
Description
Technical field
The invention belongs to electric equipment security technology area, relate to a kind of lightning protection downlead and construction method thereof.
Background technology
For preventing the building that is struck by lightning, current building industry generally adopts installation lightning protection device, and to meet direct striking thunder prevention, anti-lightning surge invades and the requirement of Lightning Electromagnetic Pulse.
As the part that lightning protection device is important, downlead requires that it should meet mechanical strength, corrosion-resistant and heat-staple requirement.
Usually to utilize in the reinforced concrete column of building or shear wall two elongated main muscle as downlead.But, because the main muscle of prefabricated frame trestle is connected by straight screw sleeve grouting in prefabricated construction, main muscle in upper and lower prefabricated frame trestle cannot form continuous conductor, therefore the main muscle of prefabricated frame trestle cannot as the metallic conductor of connecting roof arrester and earthing device.
Summary of the invention
The present invention need solve the problems referred to above be in prefabricated construction in above-mentioned prior art due to the main muscle of prefabricated frame trestle by straight screw sleeve grouting connect, main muscle in upper and lower prefabricated frame trestle cannot form the deficiency of continuous conductor, and provides a kind of main muscle in frame column processed can be utilized as the metallic conductor lightning protection downlead of connecting roof arrester and earthing device.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of lightning protection downlead, comprise upper end metallic conductor, main muscle in lower end metallic conductor and prefabricated frame trestle, the quantity of described prefabricated frame trestle is determined according to the height of building yet to be built, upper and lower two adjacent prefabricated frame trestles are interconnected at architecture storey place, all main muscle in upper and lower two adjacent prefabricated frame trestles is connected by grouting at architecture storey place, at least choose in each root prefabricated frame trestle wherein main muscle as the main muscle of conduction, and weld upper end metallic conductor and lower end metallic conductor respectively at the two ends of the main muscle of this conduction, lower end metallic conductor and the upper end metallic conductor of two neighbouring main muscle of conduction are welded to each other in architecture storey.
Described upper end metallic conductor and lower end metallic conductor are round steel or band steel.
The main muscle of described conduction is positioned at the edge of prefabricated frame trestle.
The quantity of the main muscle of described conduction is at least 2.
The quantity of described prefabricated frame trestle is at least 10.
The construction method of lightning protection downlead, comprises the following steps:
A, manufacture prefabricated frame trestle: lay main muscle, at least choose a wherein main muscle and, as the main muscle of conduction, and weld upper end metallic conductor and lower end metallic conductor respectively at the two ends of the main muscle of this conduction;
B, hoisting prefabricated frame column: prefabricated frame trestle is lifted into position, upper and lower two adjacent prefabricated frame trestles are interconnected at architecture storey place, ensure in the bottom straight screw sleeve of the main muscle in insertion upper end, the upper end prefabricated frame trestle of the main muscle in the prefabricated frame trestle of lower end;
C, connect main muscle: connected by grouting at architecture storey place by all main muscle in upper and lower two adjacent prefabricated frame trestles;
D, welding upper end metallic conductor and lower end metallic conductor: the lower end metallic conductor of neighbouring two main muscle of conduction and upper end metallic conductor are welded to each other in architecture storey.
Compared with prior art, the invention has the beneficial effects as follows:
(1) at least choose in each root prefabricated frame trestle wherein main muscle as the main muscle of conduction, and weld upper end metallic conductor and lower end metallic conductor respectively at the two ends of the main muscle of this conduction, lower end metallic conductor and the upper end metallic conductor of two neighbouring main muscle of conduction are welded to each other in architecture storey, the main muscle that originally cannot form continuous conductor can be made, form continuous conductor, thus form the metallic conductor lightning protection downlead of connecting roof arrester and earthing device, meet the requirement of direct striking thunder prevention, the intrusion of anti-lightning surge and Lightning Electromagnetic Pulse.
(2) upper end metallic conductor and lower end metallic conductor are round steel or band steel, meet mechanical strength, corrosion-resistant and heat-staple requirement.
(3) overcome the defect affecting outward appearance that in prior art, downlead lays along skin, just can complete in process of construction meanwhile, very convenient, also not easily by artificial damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of lightning protection downlead of the present invention;
Wherein, 1, upper end metallic conductor, 2, lower end metallic conductor, 3, prefabricated frame trestle, 4, main muscle, 5, architecture storey, 6 main muscle, is conducted electricity.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of lightning protection downlead, comprise upper end metallic conductor 1, main muscle 4 in lower end metallic conductor 2 and prefabricated frame trestle 3, the quantity of described prefabricated frame trestle 3 is determined according to the height of building yet to be built, upper and lower two adjacent prefabricated frame trestles 3 are interconnected at architecture storey 5 place, all main muscle 4 in upper and lower two adjacent prefabricated frame trestles 3 is connected by grouting at architecture storey 5 place, at least choose in each root prefabricated frame trestle 3 wherein main muscle 4 as the main muscle 6 of conduction, and weld upper end metallic conductor 1 and lower end metallic conductor 2 respectively at the two ends of the main muscle 6 of this conduction, the lower end metallic conductor 2 of two neighbouring main muscle 6 of conduction is welded to each other in architecture storey 5 with upper end metallic conductor 1.
Described upper end metallic conductor 1 and lower end metallic conductor 2 are round steel or band steel.
The main muscle 6 of described conduction is positioned at the edge of prefabricated frame trestle 3.
The quantity of the main muscle 6 of described conduction is at least 2.
The quantity of described prefabricated frame trestle 3 is at least 10.
The construction method of lightning protection downlead, comprises the following steps:
A, manufacture prefabricated frame trestle 3: lay main muscle 4, at least choose a wherein main muscle 4 and, as the main muscle 6 of conduction, and weld upper end metallic conductor 1 and lower end metallic conductor 2 respectively at the two ends of the main muscle 6 of this conduction;
B, hoisting prefabricated frame column 3: prefabricated frame trestle 3 lifting is put in place, upper and lower two adjacent prefabricated frame trestles 3 are interconnected at architecture storey 5 place, ensure in the bottom straight screw sleeve of the main muscle 4 in insertion upper end, the upper end prefabricated frame trestle 3 of the main muscle 4 in lower end prefabricated frame trestle 3;
C, connect main muscle 4: connected by grouting at architecture storey 5 place by all main muscle 4 in upper and lower two adjacent prefabricated frame trestles 3;
D, welding upper end metallic conductor 1 and lower end metallic conductor 2: the lower end metallic conductor 2 of neighbouring two main muscle 6 of conduction is welded to each other in architecture storey 5 with upper end metallic conductor 1.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. a lightning protection downlead, comprise upper end metallic conductor, main muscle in lower end metallic conductor and prefabricated frame trestle, the quantity of described prefabricated frame trestle is determined according to the height of building yet to be built, upper and lower two adjacent prefabricated frame trestles are interconnected at architecture storey place, all main muscle in upper and lower two adjacent prefabricated frame trestles is connected by grouting at architecture storey place, it is characterized in that: at least choose in each root prefabricated frame trestle wherein main muscle as the main muscle of conduction, and weld upper end metallic conductor and lower end metallic conductor respectively at the two ends of the main muscle of this conduction, lower end metallic conductor and the upper end metallic conductor of two neighbouring main muscle of conduction are welded to each other in architecture storey.
2. lightning protection downlead according to claim 1, is characterized in that: described upper end metallic conductor and lower end metallic conductor are round steel or band steel.
3. lightning protection downlead according to claim 1, is characterized in that: the main muscle of described conduction is positioned at the edge of prefabricated frame trestle.
4. lightning protection downlead according to claim 1, is characterized in that: the quantity of the main muscle of described conduction is at least 2.
5. lightning protection downlead according to claim 1, is characterized in that: the quantity of described prefabricated frame trestle is at least 10.
6. the construction method of lightning protection downlead according to claim 1, is characterized in that: comprise the following steps:
A, manufacture prefabricated frame trestle: lay main muscle, at least choose a wherein main muscle and, as the main muscle of conduction, and weld upper end metallic conductor and lower end metallic conductor respectively at the two ends of the main muscle of this conduction;
B, hoisting prefabricated frame column: prefabricated frame trestle is lifted into position, upper and lower two adjacent prefabricated frame trestles are interconnected at architecture storey place, ensure in the bottom straight screw sleeve of the main muscle in insertion upper end, the upper end prefabricated frame trestle of the main muscle in the prefabricated frame trestle of lower end;
C, connect main muscle: connected by grouting at architecture storey place by all main muscle in upper and lower two adjacent prefabricated frame trestles;
D, welding upper end metallic conductor and lower end metallic conductor: the lower end metallic conductor of neighbouring two main muscle of conduction and upper end metallic conductor are welded to each other in architecture storey.
Priority Applications (1)
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CN201510276824.6A CN104882686A (en) | 2015-05-27 | 2015-05-27 | Lightning protection downlead and construction method thereof |
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CN201510276824.6A CN104882686A (en) | 2015-05-27 | 2015-05-27 | Lightning protection downlead and construction method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105507588A (en) * | 2015-11-23 | 2016-04-20 | 中国一冶集团有限公司 | Lightning protection construction method for cantilever scaffold of high-rise building |
CN109914692A (en) * | 2019-03-29 | 2019-06-21 | 太原理工大学 | Prefabricated assembled concrete builds lightning protection downlead connection method and construction |
CN110242050B (en) * | 2019-06-17 | 2021-11-23 | 广州市恒盛建设工程有限公司 | Lightning protection grounding construction method for vertical structure of fabricated building |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334497A (en) * | 2013-06-17 | 2013-10-02 | 南京长江都市建筑设计股份有限公司 | Connection method of scope system frame column steel bar |
CN204614975U (en) * | 2015-05-27 | 2015-09-02 | 南京长江都市建筑设计股份有限公司 | A kind of lightning protection downlead |
-
2015
- 2015-05-27 CN CN201510276824.6A patent/CN104882686A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103334497A (en) * | 2013-06-17 | 2013-10-02 | 南京长江都市建筑设计股份有限公司 | Connection method of scope system frame column steel bar |
CN204614975U (en) * | 2015-05-27 | 2015-09-02 | 南京长江都市建筑设计股份有限公司 | A kind of lightning protection downlead |
Non-Patent Citations (2)
Title |
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吴敦军等: "预制装配式技术在高层建筑中的应用研究", 《工程建设与设计》 * |
陈谦: "从结构专业角度进行外部防雷设计", 《建筑电气》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105507588A (en) * | 2015-11-23 | 2016-04-20 | 中国一冶集团有限公司 | Lightning protection construction method for cantilever scaffold of high-rise building |
CN109914692A (en) * | 2019-03-29 | 2019-06-21 | 太原理工大学 | Prefabricated assembled concrete builds lightning protection downlead connection method and construction |
CN110242050B (en) * | 2019-06-17 | 2021-11-23 | 广州市恒盛建设工程有限公司 | Lightning protection grounding construction method for vertical structure of fabricated building |
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Application publication date: 20150902 |
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