CN113137112B - Power transmission tower based on equipment sharing - Google Patents
Power transmission tower based on equipment sharing Download PDFInfo
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- CN113137112B CN113137112B CN202110401733.6A CN202110401733A CN113137112B CN 113137112 B CN113137112 B CN 113137112B CN 202110401733 A CN202110401733 A CN 202110401733A CN 113137112 B CN113137112 B CN 113137112B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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Abstract
The invention discloses a power transmission tower based on equipment sharing, which comprises a tower body, a sharing tower head, a lightning rod and/or a lightning ground wire, wherein the tower body comprises a first cross arm, the first cross arm is arranged at the top end of the tower body, the sharing tower head comprises a vertical frame and a plurality of support frames, the vertical frame extends along the vertical direction, the bottom end of the vertical frame is connected with the first cross arm, the support frames are arranged at the top end of the vertical frame, the support frames are arranged at intervals along the circumferential direction of the vertical frame, the free ends of the support frames are provided with installation positions for installing a communication base station and/or sensing equipment, the bottom of the support frames are provided with a rest platform, the lightning rod is arranged at the top end of the vertical frame, the first end of the lightning ground wire is connected with the top end of the vertical frame, and the second end of the lightning ground wire is connected with the ground wire on the first cross arm. The power transmission tower realizes the sharing of the basic supporting framework.
Description
Technical Field
The invention relates to the technical field of power transmission equipment, in particular to a power transmission tower based on equipment sharing.
Background
With the construction of 5G communication base stations and ubiquitous power internet of things in China, the social demand on communication iron towers and sensing equipment basic support frameworks is greatly increased, in the related technology, special basic support frameworks need to be built in transmission line engineering, communication engineering, various sensing equipment engineering and the like, and the basic support frameworks have the problems of repeated construction and large land occupation.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art.
Therefore, the power transmission tower based on equipment sharing provided by the embodiment of the invention realizes sharing of a basic support framework and avoids the situation of repeated construction of the basic support framework such as power transmission line engineering, communication engineering, various sensing equipment engineering and the like.
The transmission tower based on equipment sharing according to the embodiment of the invention comprises: the tower body comprises a first cross arm, and the first cross arm is arranged at the top end of the tower body; the shared tower head comprises a stand frame and a plurality of supporting frames, the stand frame extends along the vertical direction, the bottom end of the stand frame is connected with the first cross arm, the supporting frames are arranged at the top end of the stand frame and are arranged at intervals along the circumferential direction of the stand frame, the free ends of the supporting frames are provided with mounting positions for mounting a communication base station and/or sensing equipment, and the bottom of each supporting frame is provided with a rest platform; the lightning rod is arranged at the top end of the vertical frame, the first end of the lightning rod is connected with the top end of the vertical frame, and the second end of the lightning rod is connected with the power transmission ground wire on the first cross arm.
According to the power transmission tower based on equipment sharing, the sharing of the basic support structure is realized, and the condition that the basic support structure is repeatedly built in power transmission line engineering, communication engineering, various sensing equipment engineering and the like is avoided.
In some embodiments, the height of the stand in the up-down direction is adjustable.
In some embodiments, the plurality of the lightning protection ground wires includes a first ground wire and a second ground wire, the power transmission ground wires include a first power transmission ground wire and a second power transmission ground wire, the first power transmission ground wire is connected to the first end of the first cross arm, the second power transmission ground wire is connected to the second end of the first cross arm, the first ground wire is connected between the top end of the stand and the first power transmission ground wire, and the second ground wire is connected between the top end of the stand and the second power transmission ground wire.
In some embodiments, the connection location of the first power transmission ground and the first cross arm forms a first connection location, at least a portion of the first ground is connected to the first power transmission ground on one side of the first connection location, at least a portion of the first ground is connected to the first power transmission ground on the other side of the first connection location, the connection location of the second power transmission ground and the first cross arm forms a second connection location, at least a portion of the second ground is connected to the second power transmission ground on one side of the second connection location, and at least a portion of the second ground is connected to the second power transmission ground on the other side of the second connection location.
In some embodiments, the stand is disposed at a middle position of the first cross arm, and a central axis of the tower body and a central axis of the stand coincide.
In some embodiments, the vertical frame comprises a large-diameter section and a small-diameter section, the small-diameter section is arranged at the top end of the large-diameter section, the plurality of supporting frames are arranged at the top end of the large-diameter section and are arranged at intervals along the circumferential direction of the large-diameter section, the lightning rod is arranged at the top end of the small-diameter section, and the lightning protection ground wire is connected with the top end of the small-diameter section.
In some embodiments, the rest platform is trapezoidal, the rest platform has a first edge and a second edge, the first edge and the second edge are oppositely arranged and parallel, the length dimension of the first edge is greater than the length dimension of the second edge, the first edge faces the inner side of the shared tower head, and at least part of the edges of the rest platform are provided with barriers.
In some embodiments, a tension insulator is arranged between the lightning ground wire and the top end of the vertical frame.
In some embodiments, the equipment sharing based power transmission tower further comprises a machine room disposed at the bottom of the tower body and inside the tower body.
In some embodiments, the power transmission tower is a tension tower or a tangent tower, a plurality of second cross arms are arranged on the tension tower, the plurality of second cross arms are located below the first cross arms, and the plurality of second cross arms are arranged at intervals along the vertical direction.
Drawings
Fig. 1 is an overall schematic diagram of a transmission tower based on equipment sharing according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the shared tower head of fig. 1.
Fig. 3 is a top view of the support stand of fig. 2.
Fig. 4 is a schematic view of the rest platform of fig. 3.
Fig. 5 is a first diagram of the enclosure of the rest platform of fig. 4.
Fig. 6 is a second schematic view of the enclosure of the rest platform of fig. 4.
Fig. 7 is an overall schematic diagram of a transmission tower based on equipment sharing according to another embodiment of the present invention.
Fig. 8 is a schematic view of the shared tower head of fig. 7.
Fig. 9 is a schematic top view of the shared tower head of fig. 7.
Fig. 10 is a schematic view of the junction of the lightning ground and the power transmission ground of fig. 7.
Fig. 11 is an overall schematic diagram of a transmission tower based on equipment sharing according to yet another embodiment of the present invention.
Fig. 12 is an overall schematic diagram of a transmission tower based on equipment sharing according to still another embodiment of the present invention.
Reference numerals:
a power transmission tower 100;
a tower body 1; a first cross arm 11; a second cross arm 12;
sharing the tower head 2; a stand 21; a large diameter section 211; a small diameter section 212; a support frame 22; a rest platform 23; a first edge 231; a second edge 232; a third edge 233; a fourth edge 234; a communication base station 24; a fence 25;
a lightning rod 3;
a power transmission ground 4; first power transmission ground 41; a first connection location 411; a second power transmission ground 42; a second connection location 421;
a machine room 5;
a lightning protection ground wire 6; a first ground line 61; a second ground 62;
a tension insulator 7;
t type preformed armor rod fastener 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 10, a transmission tower 100 based on equipment sharing according to an embodiment of the present invention includes a tower body 1, a shared tower head 2, a lightning rod 3, and/or a lightning earth wire 6.
The tower body 1 comprises a first cross arm 11, and the first cross arm 11 is arranged at the top end of the tower body 1. As shown in fig. 1, power transmission tower 100 is strain insulator tower, and tower body 1 is strain insulator tower's tower body 1, is equipped with first cross arm 11 and a plurality of second cross arm 12 on the tower body 1, and first cross arm 11 is established on the top of tower body 1, and a plurality of second cross arms 12 are established in the below of first cross arm 11, and a plurality of second cross arms 12, first cross arm 11 are along upper and lower direction interval arrangement, and first cross arm 11 and second cross arm 12 all extend along left right direction. It should be noted that both left and right ends of the first cross arm 11 are used for overlapping the power transmission ground 4, and both left and right ends of the second cross arm 12 are used for overlapping the power transmission line.
Sharing tower head 2 includes grudging post 21 and a plurality of support frame 22, and grudging post 21 extends along upper and lower direction, and the bottom of grudging post 21 links to each other with first cross arm 11, and a plurality of support frame 22 all establish the top at grudging post 21, and a plurality of support frame 22 arrange along the circumference direction interval of grudging post 21, and the free end of support frame 22 is equipped with the installation position that is used for installing communication base station 24 and/or perception equipment, and the bottom of support frame 22 is equipped with rest platform 23.
As shown in fig. 1 and 2, the shared tower head 2 is disposed on the top surface of the first cross arm 11, the stand 21 of the shared tower head 2 extends along the up-down direction, the bottom end of the stand 21 is fixedly connected with the top surface of the first cross arm 11, the plurality of support frames 22 are disposed at the top position of the stand 21, the plurality of support frames 22 are disposed at equal intervals along the circumferential direction of the stand 21, each support frame 22 has an inner end facing the stand 21 and an outer end facing away from the stand 21 in the horizontal plane, the outer end of each outer support frame 22 is provided with a mounting position, the mounting positions are used for mounting the communication base station 24, and the communication base station 24 is mainly a 4G macro base station, a 5G macro base station, a micro station, and the like. In other embodiments, some sensing devices may be installed at the installation site, and the sensing devices are mainly various sensing or sensing system devices such as weather, ecology, fire protection, ground disaster, positioning and navigation, and the like.
As shown in fig. 3, a resting platform 23 is provided at the bottom of each support frame 22, the resting platform 23 may be a horizontally arranged support plate, and the electric power personnel can rest on the resting platform 23 during the operation.
In order to enhance the lightning protection effect, as shown in fig. 2, a lightning rod 3 may be mounted on the top of the shared tower head 2, and the lightning rod 3 is fixed to the top end of the vertical frame 21 and extends in the vertical direction.
In some other embodiments, the lightning protection ground wires 6 may also be mounted on the top of the shared tower head 2, as shown in fig. 7 and 8, a plurality of lightning protection ground wires 6 are provided, the plurality of lightning protection ground wires 6 extend radially toward the outer periphery of the vertical frame 21 with the vertical frame 21 as the center, the inner end (first end) of each lightning protection ground wire 6 is connected to the top of the vertical frame 21, and the outer end (second end) of each lightning protection ground wire 6 is connected to the corresponding power transmission ground wire 4.
It is understood that, in order to improve the lightning protection effect, in some embodiments, the lightning rod 3 and the lightning earth wire 6 may be arranged at the top end of the shared tower head 2 at the same time.
According to the power transmission tower 100 based on equipment sharing, the shared tower head 2 is additionally arranged on the power transmission tower 100, so that the communication base station 24, the sensing equipment and the like can be installed on the power transmission tower 100, the shared tower head 2 meets the requirements of the communication base station 24 and the sensing equipment on different suspension heights, one-tower multi-purpose and sharing of different basic support frameworks of the power transmission tower 100 are realized, the situation that basic support frameworks such as power transmission line engineering, communication engineering and various sensing equipment engineering are repeatedly built is avoided, the construction land is saved, and the design of the basic support frameworks is simplified.
In addition, the lightning rod 3 and the lightning grounding wire 6 are arranged to play a role in lightning protection of the shared tower head 2, and stable operation of the communication base station 24 and sensing equipment is guaranteed.
In some embodiments, the height of the stand 21 in the up-down direction is adjustable. Specifically, the stand 21 may be in a multi-stage form, the height of the stand 21 is adjusted by connecting different stages, and the height of the installation position is adjusted by adjusting the height of the stand 21, so that the requirement of the communication base station 24 or the sensing device on the installation height can be met.
In some embodiments, the plurality of lightning earth wires 6 includes a first ground wire 61 and a second ground wire 62, the power earth wire 4 includes a first power earth wire 41 and a second power earth wire 42, the first power earth wire 41 is connected to a first end of the first cross arm 11, the second power earth wire 42 is connected to a second end of the first cross arm 11, the first ground wire 61 is connected between a top end of the vertical frame 21 and the first power earth wire 41, and the second ground wire 62 is connected between a top end of the vertical frame 21 and the second power earth wire 42.
Specifically, as shown in fig. 7, in the related art, one power transmission ground 4 is respectively connected to the left and right ends of the first cross arm 11, and for the sake of convenience of distinction, the power transmission ground 4 at the left end (first end) of the first cross arm 11 is referred to as a first power transmission ground 41, and the power transmission ground 4 at the right end (second end) of the first cross arm 11 is referred to as a second power transmission ground 42.
As shown in fig. 8, the number of the lightning ground wires 6 may be two or more, and the lightning ground wires 6 may be divided into a first ground wire 61 and a second ground wire 62 according to the connection position, wherein one end of the first ground wire 61 is connected to the top end of the upright frame 21, the other end of the first ground wire 61 is connected to the first power transmission ground wire 41, one end of the second ground wire 62 is connected to the top end of the upright frame 21, and the other end of the second ground wire 62 is connected to the second power transmission ground wire 42. On one hand, the lightning protection effect has double guarantee due to the design, namely a loop can be formed between the first ground wire 61 and the first power transmission ground wire 41, and a loop can be formed between the second ground wire 62 and the second power transmission ground wire 42, so that the stable operation of the communication base station 24 and the sensing equipment is further guaranteed; on the other hand, because the first ground wire 61 and the second ground wire 62 are respectively located on two opposite sides of the shared tower head 2, the stress of the shared tower head 2 is balanced, the condition that the stress deviation on the two sides is large is avoided, and the stability of the structure is guaranteed.
In some embodiments, the connection location of first power ground 41 to first cross arm 11 forms a first connection location 411, at least part of first ground 61 is connected to first power ground 41 on one side of first connection location 411, at least part of first ground 61 is connected to first power ground 41 on the other side of first connection location 411, the connection location of second power ground 42 to first cross arm 11 forms a second connection location 421, at least part of second ground 62 is connected to second power ground 42 on one side of second connection location 421, and at least part of second ground 62 is connected to second power ground 42 on the other side of second connection location 421.
Specifically, as shown in fig. 9, a junction between the left end of first cross arm 11 and first power transmission ground line 41 forms a first connection location 411, a junction between the right end of first cross arm 11 and second power transmission ground line 42 forms a second connection location 421, and two first ground lines 61 are provided, one of first ground lines 61 having one end connected to the top end of upright 21 and the other end connected to first power transmission ground line 41 on the front side of first connection location 411, and the other connected to first ground line 61 having one end connected to the top end of upright 21 and the other end connected to first power transmission ground line 41 on the rear side of first connection location 411.
Similarly, there are two second ground wires 62, one of the second ground wires 62 has one end connected to the top end of the upright frame 21 and the other end connected to the second power transmission ground wire 42 on the front side of the second connection position 421, and the other ground wire 62 has one end connected to the top end of the upright frame 21 and the other end connected to the second power transmission ground wire 42 on the rear side of the second connection position 421.
Such design has further ensured the steady operation of communication base station 24, perception equipment, has also further guaranteed the stability of structure.
It is understood that in some other embodiments, four, five, etc. first ground wires 61 may be provided, at least one first ground wire 61 may be connected to first power transmission ground wires 41 on both sides of the front and back of first connection location 411, four, five, etc. second ground wires 62 may be provided, and at least one second ground wire 62 may be connected to second power transmission ground wires 42 on both sides of the front and back of second connection location 421.
In some embodiments, the stand 21 is provided at a middle position of the first cross arm 11, and a central axis of the tower body 1 and a central axis of the stand 21 coincide.
As shown in fig. 1, the stand 21 is provided at the center of the first cross arm 11, and the central axis of the stand 21 and the central axis of the tower body 1 are arranged in line in the vertical direction. Make transmission tower 100 structure symmetry on the one hand like this, be favorable to guaranteeing the equilibrium of transmission tower 100 atress, on the other hand when installation shared tower head 2, electric power personnel can be at the middle part operation of first cross arm 11, have avoided electric power personnel to install the condition of operation in the tower body 1 outside, have promoted the security of operation.
In some embodiments, the standing frame 21 includes a large-diameter section 211 and a small-diameter section 212, the small-diameter section 212 is provided at a top end of the large-diameter section 211, the plurality of supporting frames 22 are provided at the top end of the large-diameter section 211 and are arranged at intervals along a circumferential direction of the large-diameter section 211, the lightning rod 3 is provided at the top end of the small-diameter section 212, and the lightning ground wire 6 is connected to the top end of the small-diameter section 212.
As shown in fig. 2 and 8, in the up-down direction, the stand 21 may be divided into a large diameter section 211 having a larger radial dimension and a small diameter section 212 having a smaller radial dimension according to the difference of the radial dimension, wherein the small diameter section 212 is provided on the top of the large diameter section 211, and the small diameter section 212 and the large diameter section 211 are coaxially arranged. The design enables the center of gravity of the shared tower head 2 to move downwards, so that the stability of the structure is guaranteed, and the distance between the joints of the lightning grounding wires 6 and the vertical frames 21 is small, so that the moment arm can be reduced, and the moment effect can be weakened.
In some embodiments, the rest platform 23 is trapezoidal, the rest platform 23 has a first edge 231 and a second edge 232, the first edge 231 and the second edge 232 are oppositely arranged and parallel, the length dimension of the first edge 231 is greater than the length dimension of the second edge 232, the first edge 231 faces the inner side of the shared tower head 2, and at least a part of the edge of the rest platform 23 is provided with an enclosure 25.
As shown in fig. 3 to 6, the resting platform 23 is a grid plate, the grid plate is in the shape of an isosceles trapezoid, the grid plate is flatly laid on the bottom of the supporting frame 22, the grid plate has a first edge 231, a second edge 232, a third edge 233 and a fourth edge 234, the first edge 231 and the second edge 232 are opposite and parallel, the third edge 233 and the fourth edge 234 are opposite, wherein the first edge 231 is longer than the second edge 232, the first edge 231 and the second edge 232 respectively form two bottom sides of the isosceles trapezoid, and the third edge 233 and the fourth edge 234 respectively form two waists of the isosceles trapezoid. The resting platform 23 has a first rim 231 facing the inside of the shared tower head 2 and a second rim 232 facing the outside of the shared tower head 2.
In order to improve the safety, the first edge 231, the third edge 233 and the fourth edge 234 are provided with the enclosure 25, and the enclosure 25 extends in the up-down direction, as shown in fig. 5, the enclosure 25 at the first edge 231 is substantially trapezoidal, the enclosure 25 includes a rectangular frame and two diagonal rods, the rectangular frame is formed by splicing steel materials which are staggered in the horizontal and vertical directions, the two diagonal rods are respectively and obliquely arranged on two opposite sides of the rectangular frame, and the oblique directions of the two diagonal rods are opposite. As shown in fig. 6, the enclosure 25 at the third rim 233 and the fourth rim 234 may be triangular.
In some embodiments, a tension insulator 7 is provided between the lightning ground wire 6 and the top end of the stand 21. As shown in fig. 8, a tension insulator 7 is disposed between each lightning ground wire 6 and the vertical frame 21, and the tension insulator 7 can bear the tension effect, thereby being beneficial to ensuring the stable operation of the lightning ground wires 6.
In some embodiments, the equipment sharing based transmission tower 100 further comprises a machine room 5, the machine room 5 being arranged at the bottom of the tower body 1 and inside the tower body 1. As shown in fig. 1, the machine room 5 is disposed on the ground at the bottom of the tower 1, the machine room 5 is located in an area enclosed by the bottom of the tower 1, and the machine room 5 is located below the tower 1, for example, the machine room 5 may be disposed below the right side of the tower 1.
In some embodiments, the power transmission tower 100 is a tension tower or a linear tower, the tension tower is provided with a plurality of second cross arms 12, the plurality of second cross arms 12 are located below the first cross arm 11, and the plurality of second cross arms 12 are arranged at intervals in the up-down direction.
In other embodiments, the transmission tower 100 may also be a tangent tower, and the tower body 1 of the tangent tower is provided with only the first cross arm 11, both ends of the first cross arm 11 are provided with a bifurcated structure, the upper bifurcation of the bifurcated structure is used for connecting with the transmission ground wire 4, and the lower bifurcation of the bifurcated structure is used for connecting with the transmission line. As shown in fig. 11, the top of the tangent tower can be protected from lightning by arranging a lightning rod 3, and as shown in fig. 12, the top of the tangent tower can also be protected from lightning by arranging a lightning earth wire 6.
In some embodiments, as shown in fig. 10, the junction between the lightning ground wire 6 and the power transmission ground wire is T-shaped, and the lightning ground wire 6 and the power transmission ground wire are connected through a T-shaped preformed armor rod clamp 8.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. A device sharing based transmission tower, comprising:
the tower body comprises a first cross arm, and the first cross arm is arranged at the top end of the tower body;
the shared tower head comprises a vertical frame and a plurality of supporting frames, the vertical frame extends along the vertical direction, the bottom end of the vertical frame is connected with the first cross arm, the supporting frames are all arranged at the top end of the vertical frame and are arranged at intervals along the circumferential direction of the vertical frame, the free ends of the supporting frames are provided with mounting positions for mounting a communication base station and/or sensing equipment, and the bottom of each supporting frame is provided with a rest platform;
the lightning rod is arranged at the top end of the vertical frame, the first end of the lightning rod is connected with the top end of the vertical frame, and the second end of the lightning rod is connected with the power transmission ground wire on the first cross arm;
the number of the lightning protection ground wires is multiple, the plurality of the lightning protection ground wires comprise a first ground wire and a second ground wire, the power transmission ground wires comprise a first power transmission ground wire and a second power transmission ground wire, the first power transmission ground wire is connected to the first end of the first cross arm, the second power transmission ground wire is connected to the second end of the first cross arm, the first ground wire is connected between the top end of the vertical frame and the first power transmission ground wire, and the second ground wire is connected between the top end of the vertical frame and the second power transmission ground wire;
the connection position of the first power transmission ground wire and the first cross arm forms a first connection position, at least part of the first ground wire is connected with the first power transmission ground wire on one side of the first connection position, at least part of the first ground wire is connected with the first power transmission ground wire on the other side of the first connection position, the connection position of the second power transmission ground wire and the first cross arm forms a second connection position, at least part of the second ground wire is connected with the second power transmission ground wire on one side of the second connection position, and at least part of the second ground wire is connected with the second power transmission ground wire on the other side of the second connection position;
the vertical frame is arranged in the middle of the first cross arm, and the central axis of the tower body is superposed with the central axis of the vertical frame;
the grudging post includes big footpath section and path section, the path section is established the top of big footpath section, and is a plurality of the support frame is established the top of big footpath section and along the circumference direction interval arrangement of big footpath section, the lightning rod is established the top of path section, lightning-arrest ground wire with the top of path section links to each other.
2. The equipment sharing based transmission tower of claim 1, wherein the height of the stand in the up-down direction is adjustable.
3. The equipment sharing based transmission tower of claim 1, wherein the rest platform is trapezoidal, the rest platform has a first edge and a second edge, the first edge and the second edge are oppositely arranged and parallel, the length dimension of the first edge is larger than the length dimension of the second edge, the first edge faces to the inner side of the shared tower head, and at least part of the edge of the rest platform is provided with a fence.
4. The equipment sharing based power transmission tower of claim 1, wherein a strain insulator is arranged between the lightning ground wire and the top end of the vertical frame.
5. The equipment sharing based power transmission tower of claim 1, further comprising a machine room disposed at the bottom of the tower body and inside the tower body.
6. The equipment sharing based transmission tower according to any one of claims 1 to 5, wherein the transmission tower is a tension tower or a linear tower, a plurality of second cross arms are provided on the tension tower, the plurality of second cross arms are located below the first cross arms, and the plurality of second cross arms are arranged at intervals in the up-down direction.
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| CN202110401733.6A CN113137112B (en) | 2021-04-14 | 2021-04-14 | Power transmission tower based on equipment sharing |
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| CN113137112B true CN113137112B (en) | 2022-11-29 |
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| KR101018845B1 (en) * | 2008-09-17 | 2011-03-04 | 한국전력공사 | Iron tower for power transmission |
| CN104201634B (en) * | 2014-08-06 | 2017-08-11 | 王力 | A kind of single back line intersects cutoff method |
| CN105155907A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Strain tower |
| CN105155908A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' |
| CN208763528U (en) * | 2018-08-22 | 2019-04-19 | 安徽汇科恒远复合材料有限公司 | Multifunction structure composite material pole tower |
| CN212105347U (en) * | 2020-04-03 | 2020-12-08 | 中国电力工程顾问集团华北电力设计院有限公司 | Lightning protection arrangement structure of carrying equipment on shared iron tower |
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2021
- 2021-04-14 CN CN202110401733.6A patent/CN113137112B/en active Active
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