CN110364931B - Crimping type roof lightning protection belt and installation method thereof - Google Patents
Crimping type roof lightning protection belt and installation method thereof Download PDFInfo
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- CN110364931B CN110364931B CN201910534696.9A CN201910534696A CN110364931B CN 110364931 B CN110364931 B CN 110364931B CN 201910534696 A CN201910534696 A CN 201910534696A CN 110364931 B CN110364931 B CN 110364931B
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- 238000002788 crimping Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 title claims abstract description 18
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- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 6
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- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 3
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- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
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- 238000005452 bending Methods 0.000 description 6
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- 230000008602 contraction Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- 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
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- Plasma & Fusion (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a crimping type roof lightning protection belt and an installation method thereof, and relates to the technical field of construction of building roof lightning protection belts. At present, the conventional lightning protection belt is firstly selected from hot galvanized round steel, the connection mode is welding, the welding part is required to be coated with anti-corrosion paint, raw material parts are easy to rust, and the electric path effect is poorer and worse. The utility model comprises a supporting rod made of stainless steel composite materials, a connecting rod, a double-hole connecting plate, a short needle flash receiver and various compression joints from two to five, wherein the supporting rod and the connecting rod are in compression joint connection through the compression joints to form a lightning-protection belt supported on a parapet wall and a roof, the parapet wall supporting rod is reinforced and protected through a protective sleeve, the roof supporting rod is reinforced and supported through a finished support, a parapet wall down-lead is connected with the short needle flash receiver and the connecting rod through the double-hole connecting plate and the three-way compression joint, and the supporting rod is fixed in a reinforcement planting hole of the roof and the parapet wall. The lightning protection device is simple in installation and operation, firm in connection, capable of effectively improving the stability of an electrical path of the lightning protection belt and good in lightning protection effect.
Description
Technical Field
The utility model relates to the technical field of construction of lightning-protection strips of building roofs, in particular to a crimping type lightning-protection strip of a roof and an installation method thereof.
Background
At present, the conventional lightning protection belt is to select hot galvanized round steel firstly, the connection mode is welding, and the welding part is required to be coated with anti-corrosion paint. As the roof lightning-protection belt is exposed in the air for a long time, particularly in areas with high humidity and sea wind influence, the iron parts are easier to generate oxidation reaction with oxygen in the air, and galvanized round steel materials are shipped from factories like hot dip coating failure, and raw material parts are easy to rust. The lightning protection belt is required to keep a good lightning receiving effect in the process of prolonging the service life, but the lightning protection belt takes great effort and raw materials are not easy to achieve, so that the lightning protection belt is disabled, and the welding position is broken and rusted seriously soon when the welding process does not meet the standard.
In the patent with publication number CN204089134U, the lightning-arrest belt of stainless steel pipe adopts stainless steel pipe and other materials, but the interior of the lightning-arrest belt is hollow, the welding process is cancelled at the joint, and the joint is fastened by adopting an omega stainless steel anchor ear and a stainless steel bolt, but the joint process is easy to cause wire detachment, the steel pipe is easy to deform, and the problems of loose connection, insufficient contact and the like are caused.
The grounding rod in the utility model patent with publication number of CN202189901U and named as stainless steel ladle steel structure of grounding rod of electric grounding net consists of a steel core rod and a stainless steel ladle sheath tightly wrapping the outer peripheral surface of the steel core rod. The novel lightning-arrest area material layer is endless. However, how the grounding material made of the stainless steel composite material is applied to the horizontal lightning protection belt of the roof, how the process is connected, how the roof supporting piece is fixed and the like cannot be popularized and used at present.
Different types of roof lightning-protection belts are different in laying mode, a roof waterproof layer is prevented from being damaged as much as possible during construction, a conventional method of integrally connecting a support rod piece and concrete in a cast-in-situ manner is adopted, but the roof lightning-protection belt is often attractive, even because the integral cast-in-situ foundation is too small and concrete cannot vibrate, honeycomb pitting surfaces and the like are generated, and the connection between a roof lightning-protection belt support rod and a roof is more important.
The electric power system is large in lead crimping and small in grounding copper nose crimping, the domestic crimping process tends to be mature, but the roofing lightning-protection belt which is manufactured by the stainless steel composite material lightning-protection belt crimping process and is fixed by a finished product support is not available on the market at present.
Disclosure of Invention
The technical problems to be solved and the technical task to be solved by the utility model are to perfect and improve the prior art scheme, and provide a crimping type roof lightning protection belt and an installation method thereof, aiming at realizing reliable structural stability and good electric passage of the roof lightning protection belt. For this purpose, the present utility model adopts the following technical scheme.
A crimping type roof lightning protection belt comprises parapet support rods, roof support rods, connecting rods, two-way crimping connectors, three-way crimping connectors, four-way crimping connectors, five-way crimping connectors, a double-hole connecting plate and a short-pin lightning arrester; the parapet support rods are distributed and fixed on the parapet along the parapet, the parapet support rods are sleeved with protective caps, the bottoms of the protective caps are attached to and fixed on the surface of the parapet, three-way crimping connectors are arranged on the parapet support rods, the upper ends of parapet lightning-protection strip downlead wires are connected with a double-hole connecting plate, the tops of the double-hole connecting plate are crimped with a short-pin lightning receptor through the three-way crimping connectors, two straight-through connectors of the three-way crimping connectors are consistent with the parapet lightning-protection strip direction, and the two straight-through connectors are crimped and connected into the parapet lightning-protection strip whole through connecting rods; the roof support rods are fixedly arranged on the roof in a distributed manner through finished support seats, three-way compression joint connectors are arranged on the roof support rods at the corners of the roof lightning-protection belt, four-way compression joint connectors are arranged on the roof support rods at the edges of the roof lightning-protection belt, five-way compression joint connectors are arranged on the roof support rods in the central area of the roof lightning-protection belt, and all opposite connectors of the three-way compression joint connectors, the four-way compression joint connectors and the five-way compression joint connectors are in compression joint connection through connecting rods, so that the grid-shaped roof lightning-protection belt is formed. The lightning-arrest area component of each lightning-arrest area component is connected through the crimping formula joint, and firm in connection is reliable, and stability is good, can effectively promote the electric path effect.
The installation method of the crimping type roof lightning protection belt comprises the following steps:
1) According to construction drawing and specification requirements, drilling a steel bar planting hole in the parapet wall of the roof, fixing a parapet wall supporting rod in the steel bar planting hole through steel bar planting glue, sleeving a protective cap on the parapet wall supporting rod, and attaching and fixing the bottom of the protective cap to the surface of the parapet wall to form a parapet wall supporting seat;
2) Drilling a bar planting hole in a roof, fixing a roof supporting rod in the bar planting hole through bar planting glue, sleeving a finished product base for strengthening supporting effect into the roof supporting rod, and fixing the finished product base on the roof to form a roof supporting seat, wherein the spacing between the roof supporting seats in the middle of the roof is 1.0-1.5 m, the roof supporting seat is laid along the positions of a roof angle, a roof back, a roof eave, an eave angle and the like, and a grid of not more than 10m multiplied by 10m or 12m multiplied by 8m is formed on the whole roof;
3) The method comprises the steps of crimping three-way crimping connectors on parapet support rods, connecting the three-way crimping connectors at the upper ends of lightning-protection belt down-lead wires of parapet through double-hole connecting plates, enabling two through connectors of each three-way crimping connector to face in the same direction as the installation direction of connecting rods of lightning-protection belts, inserting each two opposite crimping connectors through the connecting rods and crimping, enabling one connector of the three-way crimping connectors connected through the double-hole connecting plates to face upwards, and then inserting a short needle lightning arrester to crimp and connect;
4) The three-way crimping connector is crimped on four corner roof support rods of the roof support seat grid, the four-way crimping connector is crimped on four side roof support rods of the roof support seat grid, the five-way crimping connector is crimped on the roof support rods in the middle area of the roof support seat grid, and every two opposite crimping connectors are inserted by a connecting rod and are in crimping connection to form the roof lightning protection net belt. The installation and connection are simple and convenient, the implementation is easy, and the damage to the roof waterproof layer is effectively avoided.
As a preferable technical means: when the bar planting hole is drilled, a hole channel with the depth of not less than 80mm is drilled at the spring line positioning position by using a percussion drill through spring line positioning, and the hole channel is cleaned. The position is accurate, and the degree of depth is suitable, clears away downthehole debris, can effectively promote the depth of inserting of bracing piece, promotes fixed support intensity.
As a preferable technical means: the method is characterized in that the bar planting glue is injected by a hand-held automatic pressure grouting device, air in a drilled hole is removed during glue injection, a glue injection nozzle is extended into the drilled bar planting hole and pushes a grouting device pull rod to enable the glue to be injected into the hole, the grouting device is pulled out of the hole while pushing and pulling the rod, the glue injection is stopped until the glue injection nozzle of the grouting device is pulled out to be 1/3 of the depth of the hole, glue is slightly extruded after the support rod is implanted, a post bar planting glue process is adopted, a small amount of glue is dipped at the end part of the support rod, the bar planting hole is slowly and rotatably inserted, the bar planting hole is regulated to a specified position, and the bar planting glue is enabled to be firmly bonded with the support rod and the surface of the wall of the concrete hole in a certain direction while being inserted. The process is strict and reliable, and the fixing firmness of the support rod can be effectively improved.
As a preferable technical means: when the connecting rod and the supporting rod are in pressure connection, the hand-held hydraulic pliers are matched with the manual hydraulic pump to apply pressure to the three pressure connection parts of the joint for pressure connection. The manual hydraulic tool is simple to operate, does not need to be connected with electricity, and has low requirements on the field.
As a preferable technical means: when the double-hole connecting plate is connected with the upper end of the lightning-protection belt down-lead, the double-hole connecting plate is fixedly connected through the upper and lower 2 groups of bolt perforations. Firm in connection is reliable.
As a preferable technical means: the upper end of the double-hole connecting plate is provided with a downward arc-shaped bending part, the middle part of the arc-shaped bending part is provided with a vertical through hole, and the upper joint of the three-way crimping joint passes through from bottom to top and then is pressed and bent and fixed by a tool. The three-way crimping connector can be conveniently connected and fixed.
As a preferable technical means: the connecting rod adopts a U-shaped expansion joint structure at the expansion joint of the crossing building. The influence of thermal expansion and cold contraction of the building on the lightning protection belt can be effectively avoided.
As a preferable technical means: the parapet support rod, the roof support rod, the connecting rod, the two-way compression joint, the three-way compression joint, the four-way compression joint, the five-way compression joint, the double-hole connecting plate and the short needle lightning receptor are all made of stainless steel composite materials. Can effectively prevent rust and improve the stability of an electric path.
As a preferable technical means: the finished product support and the protective cap are made of PVC plastics. PVC plastic is generally used, the cost is low, and the stabilizer is added into the PVC material on the market at present, so that the PVC plastic has good stability.
The beneficial effects are that: the problem that the traditional hot galvanizing round steel welding corrosion and stainless steel pipe hoop bolt connection contact surface affect an electric passage is avoided, the installation operation is simple, convenient and fast, the corrosion can be effectively prevented, the connection is firm and reliable, the electric passage stability is good, and the damage to a roof waterproof layer can be effectively prevented.
Drawings
FIG. 1 is a schematic view of the parapet lightning-protection belt of the present utility model.
Fig. 2 is a schematic diagram of the installation of the parapet lightning strip down conductor and the short-pin lightning receptor of the utility model.
FIG. 3 is a schematic view of the installation of the finished support of the roof lightning protection belt of the present utility model.
In the figure: 1-parapet wall; 2-parapet support rods; 3-connecting rods; 4-a three-way crimping connector; 5-a protective cap; 6-U-shaped expansion joint; 7-a down-lead; 8-a double-hole connecting plate; 9-short needle lightning receptor; 10-five-way crimping connector; 11-roof support bars; 12-a finished support; 401-upper joint; 801-arc bending.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the attached drawings.
As shown in fig. 1-3, a crimping type roof lightning protection belt comprises a parapet support rod 2, a roof support rod 11, a connecting rod 3, a two-way crimping connector, a three-way crimping connector 4, a four-way crimping connector, a five-way crimping connector 10, a double-hole connecting plate 8 and a short needle lightning receptor 9; the parapet support rods 2 are distributed and fixed on the parapet 1 along the parapet 1, the parapet support rods 2 are sleeved with protective caps 5, the bottoms of the protective caps 5 are attached and fixed to the surface of the parapet 1, three-way crimping connectors 4 are arranged on the parapet support rods 2, the upper ends of lightning-protection down wires 7 of the parapet 1 are connected with double-hole connecting plates 8, the tops of the double-hole connecting plates 8 are crimped with short-pin lightning-receptors 9 through the three-way crimping connectors 4, and two straight-through connectors of the three-way crimping connectors 4 are consistent with the lightning-protection belt direction of the parapet 1 and are crimped and connected into the whole lightning-protection belt of the parapet 1 through connecting rods 3; the roof support rods 11 are distributed and fixed on a roof, the roof support rods 11 are reinforced and fixed through finished product supports 12, three-way compression joint connectors 4 are arranged on the roof support rods 11 at the corners of the roof lightning-protection belt, four-way compression joint connectors are arranged on the roof support rods 11 at the edges of the roof lightning-protection belt, five-way compression joint connectors 10 are arranged on the roof support rods 11 in the central area of the roof lightning-protection belt, and all opposite connectors of the three-way compression joint connectors 4, the four-way compression joint connectors and the five-way compression joint connectors 10 are in compression joint connection through connecting rods 3 to form a grid-shaped roof lightning-protection belt.
The installation method of the crimping type roof lightning protection belt comprises the following steps:
1) According to construction drawing and specification requirements, 1m of rib planting holes are drilled on the parapet 1 of the roof, the parapet support rods 2 are fixed in the rib planting holes through rib planting glue, the parapet support rods 2 are sleeved with protective caps 5, and the bottoms of the protective caps 5 are adhered and fixed with the surface of the parapet 1 to form a parapet 1 support seat;
2) Drilling a bar planting hole on a roof, fixing a roof supporting rod 11 in the bar planting hole through bar planting glue, sleeving a finished product base for strengthening supporting effect into the roof supporting rod 11, and fixing the finished product base on the roof to form a roof supporting seat, wherein the spacing between the roof supporting seats in the middle of the roof is 1.0-1.5 m, the roof supporting seat is laid along the positions of a roof angle, a roof back, a roof eave, an eave angle and the like, and a grid of not more than 10m multiplied by 10m or 12m multiplied by 8m is formed on the whole roof;
3) The three-way crimping connector 4 is crimped on the parapet support rod 2, the three-way crimping connector 4 is connected to the upper end of the lightning-protection belt down-lead 7 of the parapet 1 through the double-hole connecting plate 8, the two through heads of each three-way crimping connector 4 face the installation direction of the connecting rod 3 of the lightning-protection belt, each two opposite crimping connectors are inserted into the connecting rod 3 and are in crimping connection, one connector of the three-way crimping connectors 4 connected by the double-hole connecting plate 8 faces upwards, and then the short-pin lightning arrester 9 is inserted into the connecting rod for crimping connection;
4) The three-way crimping connector 4 is crimped on four corner roof support rods 11 of the roof support seat grid, the four-way crimping connector is crimped on four side roof support rods 11 of the roof support seat grid, the five-way crimping connector 10 is crimped on the roof support rods 11 in the middle area of the roof support seat grid, and every two opposite crimping connectors are inserted by the connecting rod 3 and connected in a crimping manner, so that the roof lightning protection net belt is formed.
In order to realize more accurate drilling positions, when the bar planting holes are drilled, through elastic wire positioning, a hole channel of 10.6+2-4 mm is drilled at the elastic wire positioning positions by using an impact drill, the depth is not less than 80mm, a special brush and a blower are adopted to clean up, floating dust in the hole is firstly blown out when the hole is cleaned, then the hole wall is cleaned by using the special brush, the brush is pulled to rotate at Kong Nachou when the hole wall is cleaned, and the hole dust is cleaned up by repeatedly blowing the hole. The position is accurate, and the degree of depth is suitable, clears away downthehole debris, can effectively promote the depth of inserting of bracing piece, promotes fixed support intensity.
In order to improve the fixing firmness of the support rod, the bar planting glue is injected by a hand-held automatic pressure grouting device, air in a drilling hole is removed during glue injection, a glue injection nozzle is extended into the drilled bar planting hole and a grouting device pull rod is pushed to enable the glue to be injected into the hole, the grouting device is pulled out of the hole while the push-pull rod is pulled out until the glue injection nozzle of the grouting device is pulled out to be about 3cm away from the hole, so that glue solution is slightly extruded after the support rod is implanted, a post bar planting glue process is adopted, the end part of the support rod is dipped with a little glue solution, the bar planting hole is slowly rotated and inserted, and the bar planting hole is adjusted to a specified position, and the bar planting glue is rotated for a plurality of times along with a certain direction during operation, so that the bar planting glue is tightly bonded with the support rod and the surface of a concrete hole wall; and then carrying out nondestructive test, unloading after the test value reaches the design requirement, and if the design is not required, executing by referring to JGJ 145-2013 annex A of the concrete structure post-anchoring technical specification. The process is strict, safe and reliable, and the fixing firmness of the support rod can be effectively improved.
In order to achieve a good crimping effect, when the connecting rod 3 and the supporting rod are crimped, a hand-held hydraulic clamp is matched with a manual hydraulic pump to apply pressure to three specified crimping positions of the joint for crimping. The manual hydraulic tool is simple to operate, does not need to be connected with electricity, has low requirements on sites, good electrical and mechanical properties and good temperature resistance, and has good air tightness and extremely strong environmental adaptability.
In order to realize firm connection of the double-hole connecting plate 8 and the lightning-protection belt down-lead 7, when the upper end of the double-hole connecting plate 8 and the lightning-protection belt down-lead 7 are connected, the double-hole connecting plate is fixedly connected through holes of upper and lower 2 groups of bolts. Firm in connection is reliable.
In order to realize firm connection of the double-hole connecting plate 8 and the three-way crimping connector 4, the upper end of the double-hole connecting plate 8 is provided with a downward arc-shaped bending 801, the middle part of the arc-shaped bending 801 is provided with a vertical through hole, and the upper connector 401 of the three-way crimping connector 4 passes through from bottom to top and then is fixed by pressing the arc-shaped bending 801 by a tool. The connection and fixation of the three-way crimping connector 4 can be conveniently realized.
In order to avoid the influence of expansion and contraction of the building on the lightning protection belt, the connecting rod 3 adopts a U-shaped expansion joint 6 structure at the expansion joint of the crossing building. The influence of thermal expansion and cold contraction of the building on the lightning protection belt can be effectively avoided.
In order to improve the stability of an electric path, the parapet support rod 2, the roof support rod 11, the connecting rod 3, the two-way compression joint, the three-way compression joint 4, the four-way compression joint, the five-way compression joint 10, the double-hole connecting plate 8 and the short needle lightning receptor 9 are all made of stainless steel composite materials. Can effectively prevent rust and improve the stability of an electric path.
In order to reduce the cost, the finished support 12 and the protective cap 5 are made of PVC plastic, and the finished support 12 is in an upper round and lower structure. PVC plastic is generally used, the cost is low, and the stabilizer is added into the PVC material on the market at present, so that the PVC plastic has good stability.
In the example, the supporting rod and the connecting rod 3 are made of stainless steel round steel composite materials with the diameter of 10.6mm, and the finished support 12 is made of a structure below an upper circle with the diameter of 155mm and the diameter of 208 multiplied by 208 mm.
The crimping type roof lightning protection belt and the installation method thereof shown in the above figures 1-3 are specific embodiments of the utility model, have already shown the outstanding essential characteristics and remarkable progress of the utility model, and can be subjected to equivalent modification in terms of shape, structure and the like according to actual use requirements under the teaching of the utility model, and are all within the scope of protection of the scheme.
Claims (8)
1. The utility model provides a crimping formula roofing lightning-arrest area which characterized in that: the parapet wall comprises a parapet wall supporting rod (2), a roof supporting rod (11), a connecting rod (3), a two-way compression joint, a three-way compression joint (4), a four-way compression joint, a five-way compression joint (10), a double-hole connecting plate (8) and a short needle lightning receptor (9); the parapet support rods (2) are fixedly distributed on the parapet (1) along the parapet (1), the parapet support rods (2) are sleeved with protective caps (5), the bottoms of the protective caps (5) are fixedly attached to the surface of the parapet (1), three-way crimping connectors (4) are arranged on the parapet support rods (2), the upper ends of lightning-protection strip downleads (7) of the parapet (1) are connected with double-hole connecting plates (8), the tops of the double-hole connecting plates (8) are crimped with short-pin lightning-connectors (9) through the three-way crimping connectors (4), and two straight-through connectors of the three-way crimping connectors (4) which are arranged on the parapet support rods (2) and are crimped with the short-pin lightning-protection connectors (9) are consistent with the lightning-protection strip direction of the parapet (1) and are crimped and connected into the whole lightning-protection strip of the parapet (1) through connecting rods (3); the roof support rods (11) are fixedly distributed on a roof, the roof support rods (11) are fixedly reinforced through finished product supports (12), three-way crimping connectors (4) are arranged on the roof support rods (11) at the corners of the roof lightning-protection belt, four-way crimping connectors are arranged on the roof support rods (11) at the edges of the roof lightning-protection belt, five-way crimping connectors (10) are arranged on the roof support rods (11) in the central area of the roof lightning-protection belt, and all opposite connectors of the three-way crimping connectors (4), the four-way crimping connectors and the five-way crimping connectors (10) are in crimping connection through connecting rods (3) to form a grid-shaped roof lightning-protection belt; the upper end of a lightning belt down-lead (7) of the parapet (1) is connected with a three-way compression joint connector (4) through a double-hole connecting plate (8), the upper end of the double-hole connecting plate (8) is provided with a downward arc-shaped bend (801), the middle part of the arc-shaped bend (801) is provided with a vertical through hole, and after the upper joint (401) of the three-way compression joint connector (4) passes through from bottom to top, the arc-shaped bend (801) is pressed and fixed by a tool; two straight-through heads of each three-way crimping connector (4) arranged on the parapet support rod (2) and in crimping connection with the short-pin lightning receptor (9) face towards the same installation direction as the connecting rod (3) of the lightning protection belt, each two opposite crimping connectors are inserted into the connecting rod (3) and in crimping connection, one connector of the three-way crimping connector (4) connected with the double-hole connecting plate (8) faces upwards, and then the short-pin lightning receptor (9) is inserted into the connecting rod for crimping connection;
parapet bracing piece (2), roofing bracing piece (11), connecting rod (3), two-way crimping connector, tee bend crimping connector (4), four-way crimping connector, five-way crimping connector (10), diplopore connecting plate (8) and short needle lightning arrester (9) all be stainless steel.
2. The installation method of the crimping type roof lightning-protection belt is characterized by comprising the following steps:
1) According to construction drawing and specification requirements, drilling a reinforced hole in the parapet (1) of the roof, fixing a parapet support rod (2) through reinforced glue in the reinforced hole, sleeving a protective cap (5) on the parapet support rod (2), and attaching and fixing the bottom of the protective cap (5) to the surface of the parapet (1) to form a parapet (1) support seat;
2) Drilling a bar planting hole on a roof, fixing a roof supporting rod (11) in the bar planting hole through bar planting glue, sleeving a finished product supporting seat for strengthening supporting effect into the roof supporting rod (11), and fixing the finished product supporting seat on the roof to form a roof supporting seat, wherein the spacing between the roof supporting seats in the middle of the roof is 1.0-1.5 m, the roof supporting seat is laid along the corners, the backs, the eave and the eave, and the whole roof forms a grid of not more than 10m multiplied by 10m or a grid of 12m multiplied by 8 m;
3) The method comprises the steps that a three-way crimping connector (4) is crimped on a parapet support rod (2), the upper end of a lightning-protection belt down-lead (7) of the parapet (1) is connected with the three-way crimping connector (4) through a double-hole connecting plate (8), a downward arc-shaped bend (801) is arranged at the upper end of the double-hole connecting plate (8), a vertical through hole is formed in the middle of the arc-shaped bend (801), and after an upper connector (401) of the three-way crimping connector (4) passes through from bottom to top, the arc-shaped bend (801) is pressed and fixed by a tool; the two straight-through ends of each three-way crimping connector (4) face the same installation direction as the connecting rod (3) of the lightning protection belt, each two opposite crimping connectors are inserted into the connecting rod (3) and are in crimping connection, one connector of the three-way crimping connector (4) connected by the double-hole connecting plate (8) faces upwards, and then the short-needle lightning arrester (9) is inserted into the connecting rod for crimping connection;
4) Three-way crimping connectors (4) are crimped on four corner roof support rods (11) of a roof support seat grid, four-way crimping connectors are crimped on four side roof support rods (11) of the roof support seat grid, five-way crimping connectors (10) are crimped on the roof support rods (11) in the middle area of the roof support seat grid, and every two opposite crimping connectors are inserted through connecting rods (3) and connected in a crimping mode to form a roof lightning protection net belt.
3. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: when the bar planting hole is drilled, a hole channel with the depth of not less than 80mm is drilled at the spring line positioning position by using a percussion drill through spring line positioning, and the hole channel is cleaned.
4. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: the bar planting glue is injected by a hand-held automatic pressure grouting device, air in a drilled hole is discharged during glue injection, a glue injection nozzle is extended into the drilled bar planting hole and pushes a grouting device pull rod to enable the glue to be injected into the hole, the grouting device is pulled out of the hole while pushing and pulling the rod, the glue injection is stopped until the glue injection nozzle of the grouting device is pulled out to a depth 1/3 of the hole depth from the hole opening, a post bar planting glue process is adopted, glue solution is dipped at the end part of a support rod, the bar planting hole is rotationally inserted, the bar planting hole is regulated to a specified position, and the bar planting glue is rotated for a plurality of times along a certain direction while being inserted during operation, so that the bar planting glue is tightly adhered to the surfaces of the support rod and the wall of a concrete hole.
5. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: when the connecting rod (3) and the supporting rod are in pressure connection, the hand-held hydraulic pliers are matched with the manual hydraulic pump to apply pressure to three pressure connection parts of the joint for pressure connection.
6. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: when the double-hole connecting plate (8) is connected with the upper end of the lightning belt down-lead (7), the upper end and the lower end of the lightning belt down-lead are fixedly connected through the upper group of bolts and the lower group of bolts.
7. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: the connecting rod (3) adopts a U-shaped expansion joint (6) structure at the expansion joint of the crossing building.
8. The method for installing a crimped roofing lightning-arrest strip according to claim 2, characterized in that: the finished product support (12) and the protective cap (5) are made of PVC plastics.
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| CN201910534696.9A CN110364931B (en) | 2019-06-20 | 2019-06-20 | Crimping type roof lightning protection belt and installation method thereof |
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| CN201910534696.9A CN110364931B (en) | 2019-06-20 | 2019-06-20 | Crimping type roof lightning protection belt and installation method thereof |
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| CN110364931B true CN110364931B (en) | 2023-11-10 |
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| CN111934270A (en) * | 2020-08-04 | 2020-11-13 | 舜元建设(集团)有限公司 | Construction method of stainless steel tube lightning protection belt |
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