CN214303117U - Power transmission tower - Google Patents

Power transmission tower Download PDF

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CN214303117U
CN214303117U CN202022642060.7U CN202022642060U CN214303117U CN 214303117 U CN214303117 U CN 214303117U CN 202022642060 U CN202022642060 U CN 202022642060U CN 214303117 U CN214303117 U CN 214303117U
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materials
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transverse
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王旭月
邹隆熙
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Tianjin Chengjian University
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Tianjin Chengjian University
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Abstract

The utility model belongs to the technical field of tower body structures, and discloses a power transmission tower, which comprises a tower body, a tower footing and a power transmission device; the tower body is composed of a frame structure formed by connecting main materials in a staggered manner through inclined materials and transverse materials to form a plurality of triangular supporting surfaces; the power transmission device is formed by connecting a first supporting piece, a second supporting piece, a cross arm, a cross beam and an inclined strut to form a four-pyramid structure and two triangular supporting surfaces. The utility model has better stability and wind resistance, and uses less rods, thus greatly reducing the dead weight of the tower body; therefore, the bearing capacity of the tower body can be improved, the weight of the power transmission tower is reduced, and the production and maintenance cost is reduced.

Description

Power transmission tower
Technical Field
The utility model belongs to the technical field of the tower body structure, more specifically the utility model relates to a power transmission tower.
Background
Along with the modernization process of society, the use amount of electricity is continuously increased, the operation voltage level of a power grid system is continuously improved, the demand on a high-voltage power transmission tower is continuously expanded, and the existing power transmission tower has the problems of weak main material bearing capacity, high manufacturing cost, weak wind resistance, complex installation process, long consumed time and the like.
The existing power transmission tower in service has relatively low safety due to early design age and condition limitation, and the used rod piece has single material and low strength value. Under the condition of long-time service, deformation, corrosion and the like inevitably occur. And as global climate deteriorates, the occurrence of extreme weather conditions increases, which easily causes corrosion and local structural damage of the power transmission tower material, and finally, damages the power transmission tower and prevents the power transmission tower from being used. In addition, because the structural strength of the power transmission tower is not enough, more steel is often needed to be used to increase the load capacity, the thickness of the steel is also needed to be increased, but the weight of the power transmission tower is also increased, so that the load of the power transmission tower is increased, and the difficulty and the economic efficiency of the power transmission tower construction are both high.
SUMMERY OF THE UTILITY MODEL
In order to solve the relevant technical problem of transmission tower, the utility model provides a novel transmission tower, structural design is reasonable, can improve the bearing capacity of tower body, reduces transmission tower weight, reduction in production and cost of maintenance.
In order to solve the technical problem, the utility model discloses specifically realize through following technical scheme:
a power transmission tower comprises a tower body, wherein the tower body comprises a main material, a transverse material and an inclined material;
the main materials are vertically arranged, and four main materials are arranged in a rectangular shape on a plane;
three layers of transverse materials are arranged among the four main materials, and sequentially comprise a first layer of transverse material, a second layer of transverse material and a third layer of transverse material from top to bottom;
each layer of the transverse material comprises four transverse rods and two cross rods which are horizontally arranged; in each layer of the transverse material, a cross rod is connected between every two adjacent main materials, the four cross rods surround a rectangle among the four main materials, two cross rods are arranged in the rectangle along the diagonal positions, and the two cross rods are intersected at a midpoint position O;
the inclined materials are arranged among the four main materials, and triangular supporting surfaces are formed among the transverse materials by the inclined materials;
four first-layer inclined materials are arranged between the first-layer transverse material and the second-layer transverse material, the top ends of the four first-layer inclined materials are connected to the midpoint position O of the first-layer transverse material, and the bottom ends of the four first-layer inclined materials are respectively connected to the four end parts of the two cross rods of the second-layer transverse material;
four second-layer oblique materials are arranged between the second-layer transverse material and the third-layer transverse material, the top ends of the four second-layer oblique materials are respectively connected to the bottom ends of the four first-layer oblique materials, and the bottom ends of the four second-layer oblique materials are respectively connected to the midpoint position O of the third-layer transverse material;
four third-layer oblique materials are arranged between the bottom ends of the transverse materials and the four main materials of the third layer, the top ends of the four third-layer oblique materials are respectively connected to the bottom ends of the four second-layer oblique materials, and the bottom ends of the four third-layer oblique materials are respectively connected to the bottom ends of the four main materials.
Further, the surfaces of the main material, the transverse material and the inclined material can be plated with anticorrosive coatings.
Furthermore, the main material can be Y-shaped steel.
Further, the bottom end of the main material is connected to the tower footing.
Further, the first layer of the transverse material is arranged at the top end of the main material, the first layer of the transverse material, the second layer of the transverse material and the third layer of the transverse material are arranged on the main material at equal intervals, and the main material is divided into three sections at equal intervals by the second layer of the transverse material and the third layer of the transverse material.
Furthermore, the cross rod of the cross material is connected with the main material through a connecting piece, and the cross rod is connected with the main material or the cross rod through a connecting piece.
Further, the device also comprises a power transmission device; the power transmission device is formed by connecting a first supporting piece, a second supporting piece, a cross arm, a cross beam and an inclined support.
The top ends of the four first supporting pieces are connected to one point, and the bottom ends of the four first supporting pieces are respectively connected to the top ends of the four main materials to form a rectangular pyramid structure;
the cross arm is arranged between the four first supporting pieces and is positioned in the middle of the first supporting pieces in the height direction;
four cross beams are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting piece, and the cross beams are horizontally arranged; one end of each of the two cross beams on the same side is connected to two ends of the same cross arm, and the other ends of the two cross beams extend outwards and are connected to a point P together to form a triangular supporting surface; the connecting line of the P points on the two sides passes through the intersection point of the two cross rods in the cross arm;
four inclined struts are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting piece, and the four inclined struts are respectively arranged below the four cross beams; one ends of the two inclined struts on the same side are respectively connected to the bottom ends of the two first supporting pieces on the same side, and the other ends of the two inclined struts are connected to a point P together to form a triangular supporting surface;
two second supporting pieces are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting pieces, one ends of the two second supporting pieces are respectively connected to two P points, and the other ends of the two second supporting pieces are connected to a midpoint position O of the transverse material of the second layer together.
Furthermore, the cross arm comprises four cross rods and two cross rods which are all horizontally arranged; the cross bar is connected between every two adjacent first supporting pieces, the four cross bars are positioned in the middle sections of the first supporting pieces, and a rectangle is enclosed between the first supporting pieces; four cross arms of the cross arm are provided with two cross rods along diagonal positions.
Furthermore, the surfaces of the first supporting piece, the second supporting piece, the cross arm, the cross beam and the inclined strut are plated with anticorrosive coatings.
The utility model has the advantages that:
(one) the utility model discloses a power transmission tower, its tower body comprises main material through oblique material, horizontal material cross-under connection's frame construction, forms a plurality of triangle-shaped shoring faces, has better stability and wind resistance ability to the member quantity that uses is less, and to a great extent has reduced the dead weight of tower body.
Secondly, the power transmission device of the power transmission tower of the utility model forms a four-pyramid structure and two triangular supporting surfaces by each rod piece, the three top end positions are used for preparing for later use, and all cross sections forming the power transmission device are triangular supporting surfaces, so that the power transmission tower has good stability; and the power transmission device is connected with the lower end tower body into a whole, and has good wind resistance.
(III) the utility model discloses a transmission tower, each part steel of its tower body and transmission of electricity device is through anticorrosive treatment, can increase transmission tower's service life, has reduced the routine maintenance expense, reduce cost.
(IV) the utility model discloses a power transmission tower, the main material of its tower body can adopt Y type steel, can solve the tower problem of stepping on when staff's installation and maintenance, and provide certain guarantee for staff's safety.
Drawings
Fig. 1 is a schematic structural view of a power transmission tower of the present invention;
fig. 2 is a schematic structural view of a tower body in a power transmission tower according to the present invention;
fig. 3 is a schematic structural view of a power transmission device in a power transmission tower according to the present invention;
FIG. 4 is a sectional view of a main member made of a Y-shaped steel material.
In the above figures: 1: a tower body, 101: main material, 102: horizontal material, 1021: cross bar, 1022: crossbar, 103: oblique material; 2: a tower footing; 3: power transmission device, 301: first support, 302: second support, 303: cross arm, 304: cross member, 305: and (4) bracing.
Detailed Description
The present invention is further described in detail below with reference to specific examples, which enable one skilled in the art to more fully understand the present invention without limiting the invention in any way.
As shown in fig. 1, the present embodiment discloses a power transmission tower including a tower body 1, a tower footing 2, and a power transmission device 3. The tower body 1 bears the main load of the power transmission tower and is a main carrier of wind resistance, bending moment resistance and torque of the power transmission tower. Tower footing 2 sets up in tower body 1 lower extreme, and the latter half of tower footing 2 is buried underground, and the first half is connected with tower body 1, and the main function is fixed tower body 1, avoids the power transmission tower to take place displacement and slope. The power transmission device 3 is connected to the upper end of the tower body 1, the power transmission assembly 3 provides a mounting point for mounting a power transmission line, and the high-voltage line is mounted according to the reserved position of the power transmission assembly 3 when passing through the power transmission tower.
Referring to fig. 2, in the power transmission tower of the present invention, the tower body 1 is a frame structure formed by connecting main material 101, horizontal material 102 and diagonal material 103 in a staggered manner.
The main material 101 includes four, all of which are vertically arranged and are arranged in a rectangular shape on a plane. The tower footing 2 is arranged at the bottom ends of the four main materials 101.
Three layers of transverse materials 102 are arranged among the four main materials 101, and comprise a first layer of transverse material 102, a second layer of transverse material 102 and a third layer of transverse material 102 from top to bottom in sequence. The three layers of transverse materials 102 are connected with the main materials 101 and provide connection points for the inclined materials 103, and on the other hand, the four main materials 101 are more stable, so that the load bearing capacity of the tower body 1 is enhanced.
The first layer of transverse material 102 is arranged at the top end of the main material 101, the first layer of transverse material 102, the second layer of transverse material 102 and the third layer of transverse material 102 are arranged on the main material 101 at equal intervals, and the second layer of transverse material 102 and the third layer of transverse material 102 divide the main material 101 into three equal sections. The three layers of transverse materials 102 are connected with the main materials on three planes, so that the stability of the main materials can be enhanced; the main material 101 is uniformly stressed due to the equal-interval distribution, so that local damage caused by uneven stress is avoided; meanwhile, the first layer of transverse material 102 is arranged at the top end of the main material 101 and can be simultaneously connected with a power transmission device, so that the structural integrity is enhanced.
Each layer of rail 102 comprises four rails 1021 and two crossbars 1022, both arranged horizontally. In each layer of the cross bars 102, one cross bar 1021 is connected between every two adjacent main bars 101, the four cross bars 1021 form a rectangle among the four main bars 101, two cross bars 1022 are arranged in the rectangle along the diagonal positions, and the two cross bars 1022 intersect at the midpoint position O. The cross bar 1021 is connected with the main material 101 through a connecting piece, and the cross bar 1022 is connected with the main material 101 or the cross bar 1021 through a connecting piece.
Thus, the cross bar 1021 connects the four main materials 101, preventing the main materials 101 from tilting; the cross bars 1022 stabilize the quadrilateral shape formed by the crossbar 1021 against displacement.
Inclined materials 103 are arranged among the four main materials 101, and the inclined materials 103 form triangular supporting surfaces among the cross materials 102.
Four first-layer diagonal members 103 are arranged between the first-layer transverse member 102 and the second-layer transverse member 102, the top ends of the four first-layer diagonal members 103 are connected to the midpoint position O of the first-layer transverse member 102 (the intersection of the two cross bars 1022), and the bottom ends of the four first-layer diagonal members 103 are respectively connected to the four end portions of the two cross bars 1022 of the second-layer transverse member 102.
Four second-layer inclined materials 103 are arranged between the second-layer transverse material 102 and the third-layer transverse material 102, the top ends of the four second-layer inclined materials 103 are respectively connected to the bottom ends of the four first-layer inclined materials 103, and the bottom ends of the four second-layer inclined materials 103 are respectively connected to the midpoint position O (the intersection point of the two cross bars 1022) of the third-layer transverse material 102.
Four third-layer oblique materials 103 are arranged between the bottom ends of the third-layer transverse material 102 and the four main materials 101, the top ends of the four third-layer oblique materials 103 are respectively connected to the bottom ends of the four second-layer oblique materials 103 (namely, the midpoint position O of the third-layer transverse material 102), and the bottom ends of the four third-layer oblique materials 103 are respectively connected to the bottom ends of the four main materials 101.
Therefore, the three layers of inclined materials 103 can help to effectively transmit the stress and bending moment on the upper part of the main material 101 to the lower part layer by layer, so that the bending deformation of the main material 101 is restrained, the deformation prevention capacity is improved, and the stability is enhanced.
In conclusion, the tower body 1 of the power transmission tower is mainly composed of the main materials 101, the cross materials 102 and the inclined materials 103 in a staggered mode, the bearing capacity of the tower body 1 is improved by the four main materials 101, the cross materials 102 and the inclined materials 103 are connected to form the triangular supporting surface, the stability of the tower body 1 is improved, a small amount of steel is used for the tower body 1, the quality of the tower body is reduced, and raw materials are saved.
The upper portion of tower body 1 is provided with transmission of electricity device 3, and the transmission of electricity device that puts into service now generally combines a set of triangle-shaped stay face for the rectangular frame structure, and it is few with tower body 1 tie point, and length itself is longer, when receiving bad weather such as strong wind, heavy snow, takes place local destruction easily, further leads to the unable continuation of use of transmission of electricity tower.
With reference to fig. 3, the present invention further provides a novel structure of a power transmission device 3, which is formed by connecting a first supporting member 301, a second supporting member 302, a cross arm 303, a cross beam 304, and an inclined strut 305.
The first supporting members 301 comprise four first supporting members 301, wherein the top ends of the four first supporting members 301 are connected to a point, and the bottom ends of the four first supporting members 301 are respectively connected to the top ends of the four main materials 101 of the tower body 1, so as to form a rectangular pyramid structure. The top end of the four pyramid structures formed by connecting the four first supporting pieces 301 is used as a fulcrum for erecting the power transmission line, and the first supporting pieces 301 meet the requirements of bearing load and bending moment.
Be provided with cross arm 303 between four first support pieces 301, cross arm 303 is located the middle part of first support piece 301 direction of height, and cross arm 303 includes four horizontal poles and two crossbars that are horizontal setting. A cross bar is connected between every two adjacent first supporting pieces 301, the four cross bars are positioned at the middle sections of the first supporting pieces 301, and a rectangle is enclosed between the first supporting pieces 301; the cross bar is connected with the main material 101 through a connecting piece. Two cross rods are arranged between the four cross rods of the cross arm 303 along diagonal positions, and the cross rods are connected with the cross rods or the first supporting piece 301 through connecting pieces. The cross arm 303 is connected between the first supporting rods 301, and plays a role in reinforcing the connection of the four first supporting rods 301, so that the displacement of the four pyramid structure is prevented.
Four cross beams 304 are symmetrically arranged on two sides of the rectangular pyramid structure formed by the first support member 301, and all the cross beams 304 are arranged horizontally. One ends of two cross beams 304 on the same side are connected to two ends of the same cross beam 303 through connecting pieces respectively, and the other ends extend outwards and are connected to a point P through the connecting pieces together to form a triangular supporting surface; the connecting line of the points P on both sides passes through the intersection of the two crossbars in the cross arm 303. The point P where the two cross beams 304 on the same side converge is the position where the power transmission line is erected, and the cross beams 304 provide certain pulling force for the position.
Four inclined struts 305 are symmetrically arranged on two sides of the rectangular pyramid structure formed by the first supporting member 301, and the four inclined struts 305 are respectively arranged below the four cross beams 304. One end of each of the two inclined struts 305 on the same side is connected to the bottom ends of the two first supporting members 301 on the same side (i.e., the top ends of the two main members 101 on the same side) through a connecting member, and the other end is connected to the point P through a connecting member, so as to form a triangular supporting surface. Point P is the location where the power line is erected, and when the point P is stressed, the brace 305 can provide upward supporting force.
Two second supporting members 302 are symmetrically arranged on two sides of the rectangular pyramid structure formed by the first supporting member 301, one end of each of the two second supporting members 302 is connected to two points P, and the other end is connected to the midpoint O of the second layer of cross member 102.
It can be seen that the utility model provides a transmission of electricity device 3 is by first support piece 301, second support piece 302, cross arm 303, crossbeam 304, bracing 305 connection constitution's frame construction, has mainly constituted wherein that four pyramid structures and cross-section are the structure of triangle-shaped holding surface, and this to a great extent has increased transmission of electricity device's stability can, and second support piece 302 among the transmission of electricity device 3 is connected in tower body 1 simultaneously, makes transmission of electricity device 3 also have certain bearing capacity.
Further, the surfaces of the main material 101, the cross material 102 and the diagonal material 103 of the tower body 1, and the surfaces of the first support member 301, the second support member 302, the cross arm 303, the cross beam 304 and the diagonal support 305 of the power transmission device 3 can be plated with an anti-corrosion coating, so that the service life of the power transmission tower is prolonged, and the daily maintenance cost is reduced.
Further, as shown in fig. 4, the main material 101 of the tower body 1 can be made of Y-shaped steel, the Y-shaped steel is provided with a T-shaped wing plate, and when an operator climbs the tower, the operator can conveniently climb up the power transmission tower by means of the T-shaped pole, so that the problem of climbing the tower during installation and maintenance of the operator can be solved, and certain guarantee is provided for the safety of the operator.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and the scope of the invention as claimed.

Claims (9)

1. A power transmission tower comprises a tower body, and is characterized in that the tower body comprises a main material, a transverse material and an inclined material;
the main materials are vertically arranged, and four main materials are arranged in a rectangular shape on a plane;
three layers of transverse materials are arranged among the four main materials, and sequentially comprise a first layer of transverse material, a second layer of transverse material and a third layer of transverse material from top to bottom;
each layer of the transverse material comprises four transverse rods and two cross rods which are horizontally arranged; in each layer of the transverse material, a cross rod is connected between every two adjacent main materials, the four cross rods surround a rectangle among the four main materials, two cross rods are arranged in the rectangle along the diagonal positions, and the two cross rods are intersected at a midpoint position O;
the inclined materials are arranged among the four main materials, and triangular supporting surfaces are formed among the transverse materials by the inclined materials;
four first-layer oblique materials are arranged between the first-layer transverse material and the second-layer transverse material, the top ends of the four first-layer oblique materials are connected to the midpoint position O of the first-layer transverse material, and the bottom ends of the four first-layer oblique materials are respectively connected to the four end parts of the two cross rods of the second-layer transverse material;
four second-layer oblique materials are arranged between the second-layer transverse material and the third-layer transverse material, the top ends of the four second-layer oblique materials are respectively connected to the bottom ends of the four first-layer oblique materials, and the bottom ends of the four second-layer oblique materials are respectively connected to the midpoint position O of the third-layer transverse material;
four third-layer oblique materials are arranged between the bottom ends of the third-layer transverse material and the four main materials, the top ends of the four third-layer oblique materials are respectively connected to the bottom ends of the four second-layer oblique materials, and the bottom ends of the four third-layer oblique materials are respectively connected to the bottom ends of the four main materials.
2. The power transmission tower according to claim 1, wherein the main material, the cross material and the diagonal material are coated with an anti-corrosion coating.
3. The transmission tower according to claim 1, wherein the main material is a Y-type steel material.
4. A transmission tower according to claim 1, wherein the bottom end of the main material is connected to the foundation.
5. A transmission tower according to claim 1, wherein a first layer of cross-members is provided on top of the main members, the first, second and third layer of cross-members are arranged equidistantly on the main members, and the second and third layer of cross-members divide the main members into three equally spaced segments.
6. A transmission tower according to claim 1, wherein the cross bar of the cross bar is connected to the main bar by a connector, and the cross bar is connected to the main bar or the cross bar by a connector.
7. A transmission tower according to any of claims 1-6, further comprising a transmission means; the power transmission device is formed by connecting a first supporting piece, a second supporting piece, a cross arm, a cross beam and an inclined strut;
the top ends of the four first supporting pieces are connected to one point, and the bottom ends of the four first supporting pieces are respectively connected to the top ends of the four main materials to form a rectangular pyramid structure;
the cross arm is arranged between the four first supporting pieces and is positioned in the middle of the first supporting pieces in the height direction;
four cross beams are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting piece, and the cross beams are horizontally arranged; one end of each of the two cross beams on the same side is connected to two ends of the same cross arm, and the other ends of the two cross beams extend outwards and are connected to a point P together to form a triangular supporting surface; the connecting line of the P points on the two sides passes through the intersection point of the two cross rods in the cross arm;
four inclined struts are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting piece, and the four inclined struts are respectively arranged below the four cross beams; one ends of the two inclined struts on the same side are respectively connected to the bottom ends of the two first supporting pieces on the same side, and the other ends of the two inclined struts are connected to a point P together to form a triangular supporting surface;
two second supporting pieces are symmetrically arranged on two sides of a rectangular pyramid structure formed by the first supporting pieces, one ends of the two second supporting pieces are respectively connected to two P points, and the other ends of the two second supporting pieces are connected to a midpoint position O of the second layer of transverse material together.
8. A transmission tower according to claim 7, wherein the cross arm comprises four cross bars and two cross bars, both arranged horizontally; the cross bar is connected between every two adjacent first supporting pieces, the four cross bars are positioned in the middle sections of the first supporting pieces, and a rectangle is enclosed between the first supporting pieces; four cross arms of the cross arm are provided with two cross rods along diagonal positions.
9. The power transmission tower of claim 7, wherein the surfaces of the first support member, the second support member, the cross arm, the cross beam and the diagonal brace are coated with an anti-corrosion coating.
CN202022642060.7U 2020-11-16 2020-11-16 Power transmission tower Active CN214303117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022642060.7U CN214303117U (en) 2020-11-16 2020-11-16 Power transmission tower

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Application Number Priority Date Filing Date Title
CN202022642060.7U CN214303117U (en) 2020-11-16 2020-11-16 Power transmission tower

Publications (1)

Publication Number Publication Date
CN214303117U true CN214303117U (en) 2021-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022642060.7U Active CN214303117U (en) 2020-11-16 2020-11-16 Power transmission tower

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CN (1) CN214303117U (en)

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