CN212182762U

CN212182762U - Lightning rod special for ancient and famous trees

Info

Publication number: CN212182762U
Application number: CN202021116654.8U
Authority: CN
Inventors: 来文娟; 张彦涛
Original assignee: Xi'an Wangbida Material Technology Co ltd
Current assignee: Xi'an Wangbida Material Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-12-18
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a special lightning rod of ancient trees name wood, including the lightning rod main part, the lightning rod main part includes titanium alloy arrester, the bottom cover of titanium alloy arrester is equipped with high performance composite support pole, the trailing end connection of titanium alloy arrester has the downlead, the downlead passes through fireclay and titanium alloy arrester welded connection, the top and the high performance composite support pole upper end plug-in connection of downlead, the bottom of downlead runs through high performance composite support pole lower extreme and extends to its outside and is connected with the ground net through the fireclay welded connection, just the outside cover of high performance composite support pole is equipped with insulating protection pipe, there is stable dish through the thread engagement on insulating protection pipe and the outer wall of ground contact. The utility model has the advantages of light in weight, intensity height, anticorrosive, subduct obvious, the good shock-resistant and insulating properties of lightning current energy, through adopting titanium alloy and high performance combined material when guaranteeing intensity, reduced the weight of lightning rod.

Description

Lightning rod special for ancient and famous trees

Technical Field

The utility model mainly relates to the technical field of ancient and famous trees lightning protection, specifically be special lightning rod of ancient and famous trees.

Background

In the prior art, the ancient and famous trees need to be protected by lightning protection, the industry standard 'ancient and famous tree lightning protection technical specification' QX/T231-2014 released by the meteorological department in China is used for analyzing and researching the cause of lightning striking the ancient and famous trees, strengthening the lightning protection of the ancient and famous trees, effectively defending the damage of lightning to the ancient and famous trees, reducing the influence of the secondary disaster of the lightning strike on public safety, protecting the growth and survival of the ancient and famous trees, playing an important guiding role in aspects such as maintenance ecological balance and the like, and still lacking a special lightning rod for protecting the ancient and famous trees.

The development of the lightning protection equipment facilities of ancient trees in China already goes through three stages: the first stage is to erect lightning arresters or independent lightning rods beside ancient trees, and has the advantages that the height can be designed at will, the construction is convenient, the defects that the ancient charm of the ancient trees is damaged, and the damage to the root system of the ancient trees is large (the method is not adopted basically at present); the second stage is as follows: the artificial tree lightning rod is installed beside the ancient tree, and has the advantages of being integrated with the ancient style of the ancient tree and high in manufacturing cost, and the foundation of 3 meters multiplied by 3 meters is large in damage to the root system (the method is still adopted at present); the third stage: at ancient tree top dress needle, down along the tree, the method of lower part ground connection, the advantage is among the ancient style ancient rhyme that has merged into ancient tree with lightning protection device, careful observation is not observed, hardly discover, the root system part of trees can be kept away from to its ground connection system, do not have the influence basically to the root system of trees, though the cost is low simultaneously, the shortcoming adopts the stainless steel, materials such as red copper make into the lightning rod, exceed 3 meters of crown, in order to fix the lightning rod on the trunk, 2 at least departments of fixed point, the lightning rod passes through the downlead and introduces the ground net. The method has the advantages of low cost, because the wind resistance coefficient of the lightning rod reaches 40 m/s, the fixed lightning rod part usually needs more than 4-5 m, thus, the total length of the lightning rod is usually 7 to 8 meters long, the weight of the lightning rod is more than 200 kilograms, even more than 500 kilograms, heavy burden is caused to the trunk, when wind exists, the trunk is broken off, and in addition, when the weight of the installed metal lightning rod is heavy, the metal lightning rod cannot be completely fixed on the trunk, so that the method of fixing the galvanized pipe on the ground as a support and partially fixing the galvanized pipe on the trunk is adopted to prevent the ancient trees from being thunder (the method is also adopted), the method has the disadvantages that the falling fixed galvanized pipe support seriously damages the ancient charm around the ancient trees, branches are often broken off when wind blows, in addition, along with the growth of trees, the diameter of metal ring and the height of lightning rod need to be adjusted in time.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a special lightning rod for ancient and famous trees for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

special lightning rod of ancient trees name wood, including the lightning rod main part, the lightning rod main part includes titanium alloy arrester, the bottom cover of titanium alloy arrester is equipped with high performance composite support pole, there is the downlead at the tail end of titanium alloy arrester through screwed connection, the downlead passes through fireclay and titanium alloy arrester welded connection, the top and the high performance composite support pole upper end plug-in connection of downlead, the bottom of downlead runs through high performance composite support pole lower extreme and extends to its outside and has ground net through fireclay welded connection, just the outside cover of high performance composite support pole is equipped with insulating protection pipe, there is the stabilizing disc through threaded engagement on insulating protection pipe and the outer wall of ground contact, the bottom of stabilizing disc is close to outer border circumference and is equipped with a plurality of gullets.

Furthermore, install thunderbolt counter and test terminal by last down in proper order on the downlead, the observation end of thunderbolt counter runs through insulating protection tube and extends to its outside.

Further, two at least staple bolts are installed in the outside of high performance composite support pole, high performance composite support pole passes through staple bolt and ancient tree trunk fixed connection.

Further, the titanium alloy lightning receptor is formed by ¢ 22 titanium alloy pipe with the thickness of 1mm, and the length of titanium alloy lightning receptor is 1 m.

Further, the high-performance composite support rod is composed of alkali-free glass fibers, epoxy resin anhydride and the like, is of a hollow cone structure, has a length of 6000-9000 mm, has inner diameter, thickness and outer diameter of the upper end of phi 25, phi 3 and phi 31 respectively, and has inner diameter, thickness and outer diameter of the lower end of phi 60, phi 3 and phi 66 respectively.

Further, the down conductor is composed of square insulated multi-strand copper cables.

Furthermore, a warning board is hung on the outer wall of the insulating protection tube.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of light in weight, high strength, it is anticorrosive, it is obvious to subdue the lightning current energy, good shock-resistant and insulating properties, under the prerequisite of guaranteeing intensity again successfully through adopting titanium alloy and high performance combined material, reduce the weight of lightning rod to about 20% of the metal lightning rod of equal size, thereby make the weight of 7 meters's high performance combined material ancient tree lightning rod only 6 kilograms, install additional on the trunk of diameter 100 millimeters, almost do not have the influence to the trunk, can not cause the trunk rupture, overcome the heavy difficult point of metal lightning rod weight.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the structure of the assembly of the present invention;

FIG. 3 is a schematic structural view of the titanium alloy lightning receptor of the present invention;

FIG. 4 is a sectional view of the titanium alloy lightning receptor of the present invention;

fig. 5 is a schematic structural view of the high-performance composite support rod of the present invention;

fig. 6 is an enlarged view of region a in fig. 1.

In the figure: 1. a lightning rod main body; 2. a titanium alloy lightning receptor; 3. a high performance composite support rod; 4. an insulating protection tube; 5. a warning board; 6. a lightning strike counter; 7. hooping; 8. a down conductor; 81. a test terminal; 9. a grounding grid; 10. a stabilizing disc; 101. and (4) hooking teeth.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment, referring to fig. 1-6, a lightning rod special for ancient trees and famous trees comprises a lightning rod main body 1, wherein the lightning rod main body 1 comprises a titanium alloy lightning receptor 2, a high-performance composite support rod 3 is sleeved at the bottom end of the titanium alloy lightning receptor 2, the high-performance composite support rod 3 adopts a high-performance composite material pipe, the density of the high-performance composite support rod 3 is 1.4-1.85g/cm3 and is only about 23% of that of common Steel (SPCC), the weight of the high-performance composite material ancient tree lightning rod is reduced by more than 70% in the same size and shape, the high-performance composite material winding pipe for aerospace use is particularly suitable for lightning protection of ancient trees and famous trees, the strength of the high-performance composite material winding pipe for lightning protection is slightly lower than that of stainless steel, but the density of the high-performance composite support rod 3 is only about one quarter of stainless steel, the titanium alloy works in a humid atmosphere; the resistance to pitting corrosion, acid corrosion and stress corrosion is particularly strong; the high-performance composite material winding pipe adopted by the composite support rod 3 has excellent corrosion resistance, long service life of more than 20 years in natural environment and breakdown strength, and has excellent corrosion resistance, excellent corrosion resistance and weather resistance, acid resistance of 2.1 percent, alkali resistance of 2.2 percent and higher acid resistance, alkali resistance and high performance than stainless steel: 14 kV/mm; insulation resistance: 1 x 1013 omega/mm, which ensures that strong lightning current can only flow to the ground along the down conductor 8 and the grounding grid 9, and does not cause secondary disasters such as side flashover to surrounding tree personnel, the tail end of the titanium alloy lightning receptor 2 is connected with the down conductor 8 through screws, the down conductor 8 is connected with the titanium alloy lightning receptor 2 through fire clay in a welding way, the top end of the down conductor 8 is connected with the upper end of the high-performance composite support rod 3 in a splicing way, the bottom end of the down conductor 8 extends to the outer side of the high-performance composite support rod 3 through the lower end of the high-performance composite support rod, the grounding grid 9 is connected through fire clay in a welding way, the titanium alloy lightning receptor 2 adopts light high-strength titanium alloy, the density of which is about 4.4g/cm3 and is only about 56% of common Steel (SPCC), 56% of stainless steel (304), 49% of copper alloy (C1020), the tensile strength of titanium alloy is generally about 1012MPa, and the specific strength (tensile strength/density) is about 2 times of stainless steel (SUS304), under the same specification and the same strength requirement, the titanium alloy lightning arrester 2 can be thinner and lighter, at normal temperature, the titanium alloy has higher strength than common steel, stainless steel and aluminum alloy, and still has higher strength retention rate at 400 ℃, so under the severe conditions of large lightning intensity, long duration and the like, the lightning arrester does not degrade, deform or damage, because the electrical conductivity of the titanium alloy adopted by the titanium alloy lightning arrester 2 (needle body) part is 10 times that of copper and iron, the resistance is large, the lightning current flowing through the titanium alloy lightning arrester 2 is only one tenth of that of the copper and iron lightning arrester, the current is reduced by one tenth, the electromagnetic interference is reduced by one tenth, meanwhile, the impact of the discharge current on the down conductor 8 and the grounding grid 9 is reduced, the titanium alloy lightning arrester 2 and the high-performance composite support rod 3 have excellent corrosion resistance, the lightning arrester is ensured to be free from maintenance and used for a long time, the appearance is perfect, the outer side of the high-performance composite support rod 3 is sleeved with an insulating protection tube 4, the insulating protection tube 4 is an artificial vine tube, the color of the artificial vine tube is close to that of a trunk so as to be integrated into a natural environment, and is preferably integrated with the protected ancient tree name wood, so that the ancient color and the ancient charm of the ancient tree name wood are guaranteed, the titanium alloy lightning receptor 2 is composed of a titanium alloy tube with the thickness of ¢ 22 being 1mm, the length of the titanium alloy lightning receptor 2 is 1m, the high-performance composite support rod 3 is composed of alkali-free glass fiber, epoxy resin anhydride and the like, the high-performance composite support rod 3 is of a hollow cone structure, the length of the high-performance composite support rod 3 is 6000-9000 mm, the inner diameter, the thickness and the outer diameter of the upper end of the high-performance composite support rod 3 are respectively phi 25, phi 3 and phi 31, and the inner diameter, the thickness and the outer diameter of the lower end of the high-performance composite support rod 3 are respectively, 3 and phi 66, the downlead 8 comprises insulating stranded copper cable of 25 squares, there is stabilizer disc 10 through threaded engagement on the outer wall of insulating protection tube 4 and ground contact, stabilizer disc 10's bottom is close to outer edge border circumference and is equipped with a plurality of gullets 101, and through the cooperation of stabilizer disc 10 and gullet 101 that set up, make insulating protection tube 4 can tightly grasp soil, improve the stability of lightning rod main part 1, two at least staple bolts 7 are installed to high performance composite support pole 3's the outside, high performance composite support pole 3 passes through staple bolt 7 and ancient tree trunk fixed connection, realizes the installation of lightning rod main part 1 through staple bolt 7, and staple bolt 7 selects the flexible material of ageing resistance, long service life.

In the embodiment, referring to fig. 1 and 2, a lightning strike counter 6 and a test terminal 81 are sequentially installed on the down conductor 8 from top to bottom, an observation end of the lightning strike counter 6 extends to the outer side of the down conductor through the insulating protection tube 4, the lightning strike counter 6 is installed at a position for facilitating observation (installed at a distance of 2-1 m from the ground), the test terminal 81 is installed at a position for facilitating measurement of the ground resistance (installed at a distance of 0.5-1 m from the ground),

in the embodiment, referring to fig. 1 and 2, a warning board 5 is hung on the outer wall of the insulating protection tube 4, the lightning protection system is further improved by the warning board 5, and the warning board 5 is more than 2 meters (preferably more than 2 meters) of the trunk.

The utility model discloses a concrete operation as follows:

firstly, the tail part of a titanium alloy lightning arrester 2 is connected with a down conductor 8 through a screw and then is welded and connected by fire clay, then the tail part is inserted into and fixed by an inner diameter phi 25 at the upper end of a high-performance composite support rod 3, the down conductor 8 is led out from an inner diameter phi 60 at the lower end of the high-performance composite support rod 3 and is welded and connected with a grounding net 9 through the fire clay, the connected lightning arrester main body 1 is installed and fixed to the trunk of an ancient tree by a hoop 7 at least at two points, meanwhile, the titanium alloy lightning arrester 2 is required to be 3 meters higher than a crown, the down conductor 8 is led down through an insulating protection tube 4 along the trunk, a lightning stroke counter 6 and a test terminal 81 are installed on the down conductor 8, the installation position is accurate for observation, then the down conductor 8 is led to the grounding net 9 and is welded and connected by the fire clay, and finally, a warning board 5 is hung over 2 meters (for proper) of the trunk, and the top of the lightning stroke counter, the down conductor, the down, The key points of the lightning protection method of the lower part grounding are that the weight of the high-performance composite support rod 3, the titanium alloy lightning receptor 2, the hoop 7 and the down conductor 8 is light, the wind resistance coefficient of the high-performance composite support rod 3 is 40 m/s, and the insulation resistance is as follows: 1X 1013. omega./mm, breakdown strength: 14kV/mm, the left and right lengths are 5, 6, 7, 8, 9 and 10 meters, the weight is respectively less than 5, 8, 10, 13, 15 and 18kg, the down lead 8 is additionally provided with the 100kV insulating protection tube 4 resisting the impulse voltage of 1.2/50 mu s so as to reduce the inductive voltage drop of the down lead 8, when thunder comes temporarily, the lightning can firstly hit the titanium alloy lightning arrester 2 which is 3 meters higher than the crown, and the lightning current flows into the grounding grid 9 along the titanium alloy lightning arrester 2, the down lead 8, so that the lightning is prevented from hitting the ancient tree, and the ancient tree is protected.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The special lightning rod for the ancient and famous trees comprises a lightning rod main body (1) and is characterized in that the lightning rod main body (1) comprises a titanium alloy lightning arrester (2), a high-performance composite supporting rod (3) is sleeved at the bottom end of the titanium alloy lightning arrester (2), a down lead (8) is connected to the tail end of the titanium alloy lightning arrester (2) through screws, the down lead (8) is in fusion connection with the titanium alloy lightning arrester (2) through fire clay, the top end of the down lead (8) is in plug connection with the upper end of the high-performance composite supporting rod (3), the bottom end of the down lead (8) penetrates through the lower end of the high-performance composite supporting rod (3) and extends to the outer side of the down lead to be connected with a grounding grid (9) through the fire clay fusion, an insulating protection tube (4) is sleeved on the outer side of the high-performance composite supporting rod (3), and a stabilizing disc (10) is meshed with the outer wall in a ground surface through threads, the bottom of the stabilizing disc (10) is provided with a plurality of hook teeth (101) close to the circumference of the outer edge.

2. The special lightning rod for the ancient and famous trees according to claim 1, wherein a lightning stroke counter (6) and a test terminal (81) are sequentially installed on the down conductor (8) from top to bottom, and an observation end of the lightning stroke counter (6) penetrates through the insulating protection tube (4) and extends to the outer side of the insulating protection tube.

3. The special lightning rod for the ancient and famous trees according to claim 1, wherein at least two hoops (7) are installed on the outer side of the high-performance composite support rod (3), and the high-performance composite support rod (3) is fixedly connected with the ancient and famous trees through the hoops (7).

4. The special lightning rod for the ancient trees and trees according to claim 1, wherein the titanium alloy lightning receptor (2) is formed by ¢ 22 titanium alloy tubes with the thickness of 1mm, and the length of the titanium alloy lightning receptor (2) is 1 m.

5. The lightning rod special for the ancient and famous trees according to claim 1, wherein the high-performance composite support rod (3) is composed of alkali-free glass fiber, epoxy resin anhydride and the like, the high-performance composite support rod (3) is of a hollow cone structure, the length of the high-performance composite support rod (3) is 6000-9000 mm, the inner diameter, the thickness and the outer diameter of the upper end of the high-performance composite support rod (3) are respectively phi 25, phi 3 and phi 31, and the inner diameter, the thickness and the outer diameter of the lower end of the high-performance composite support rod (3) are respectively phi 60, phi 3 and phi 66.

6. The special lightning rod for ancient and famous trees according to claim 1, characterized in that said down conductor (8) is composed of 25 square insulated multi-strand copper cable.

7. The special lightning rod for the ancient and famous trees according to claim 1, wherein a warning board (5) is hung on the outer wall of the insulating protection tube (4).