CN112177419A - Guyed tower - Google Patents

Abstract

The invention relates to a guyed tower, comprising: a first tower body; the second tower body is arranged at a certain distance from the first tower body in the first direction; the cross arm assembly is used for hanging a lead and connected between the first tower body and the second tower body and comprises a plurality of insulators which are connected with each other; the cross arm assembly is symmetrical by taking a virtual axis as a symmetry axis, and the cross arm assembly, the first tower body and the second tower body jointly enclose and close to form at least two triangles. Above-mentioned guyed tower has the characteristics of higher stability based on symmetrical structure and triangle-shaped structure, and the cross arm subassembly has good structural stability, and then makes arranging of the wire on the guyed tower more stable, under the condition that reduces substantially the width in transmission line corridor, has solved the windage yaw flashover problem of alternate wire, has promoted the transmission efficiency of circuit.

Description

Guyed tower

Technical Field

The invention relates to the technical field of power transmission lines, in particular to a guyed tower.

Background

With the progress of society and the improvement of the technological level, the construction of the power grid is synchronously and rapidly developed. The guyed tower is used as a supporting structure for supporting the conducting wire and the lightning conductor in the overhead transmission line, so that the conducting wire can meet the distance limiting requirement on the ground and ground objects, and can bear the load and the external load of the conducting wire, the lightning conductor and the guyed tower, thereby playing an important role in the construction of a power grid.

The wires of the traditional guyed tower are horizontally arranged, and a suspension insulator string is required to be used for hoisting the wires, so that the corridor is wide in width, the weight of the tower body is heavy, the construction cost is high, and interphase flashover is easy to occur under the windage yaw condition. Therefore, how to reduce the width of the power transmission line corridor to reduce the land occupation of the power transmission line and prevent the occurrence of the inter-phase flashover under the windage condition becomes a problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, it is necessary to provide a tower crane which is compact in structure and less likely to cause inter-phase flashover in windage yaw, in order to solve the problem that the tower crane is not compact in structure and is likely to cause inter-phase flashover in windage yaw.

A guyed tower, comprising:

a first tower body;

the second tower body is arranged at a certain distance from the first tower body in the first direction; and

a cross arm assembly for hanging a wire, the cross arm assembly being connected between the first tower body and the second tower body, the cross arm assembly including a plurality of interconnected insulators;

the cross arm assembly is symmetrical by taking a virtual axis as a symmetry axis, and the cross arm assembly, the first tower body and the second tower body jointly enclose to form at least two triangles.

In one embodiment, the cross arm assembly comprises a first cross arm assembly, a second cross arm assembly and a third cross arm assembly, the third cross arm assembly is connected between the first cross arm assembly and the second cross arm assembly, one end of the first cross arm assembly, which is far away from the third cross arm assembly, is connected to the first tower body, and one end of the second cross arm assembly, which is far away from the third cross arm assembly, is connected to the second tower body.

In one embodiment, the first cross arm assembly and the first tower body enclose a triangle, and the second cross arm assembly and the second tower body enclose a triangle.

In one embodiment, the first cross arm assembly includes a first tension insulator and a first post insulator, one end of the first tension insulator is connected to the first tower body, the other end of the first tension insulator is connected to one end of the first post insulator, the other end of the first post insulator is connected to the first tower body, and the position where the first tension insulator is connected to the first tower body is above the position where the first post insulator is connected to the first tower body;

the second cross arm assembly comprises a second tension insulator and a second post insulator, one end of the second tension insulator is connected with the second tower body, the other end of the second tension insulator is connected with one end of the second post insulator, the other end of the second post insulator is connected with the second tower body, and the second tension insulator is connected with the second tower body in a position above the position where the second tower body is connected with the second post insulator.

In one embodiment, the first post insulator extends from the first tower in the first direction and the second post insulator extends from the second tower in the first direction.

In one embodiment, the end of the first post insulator connected to the first tension insulator is higher than the end of the first post insulator connected to the first tower body; and one end of the second post insulator connected with the second strain insulator is higher than one end of the second post insulator connected with the second tower body.

In one embodiment, the third cross arm assembly includes a third tension insulator and a fourth tension insulator, one end of the third tension insulator is connected to the first cross arm assembly, the other end of the third tension insulator is connected to one end of the fourth tension insulator, and the other end of the fourth tension insulator is connected to the second cross arm assembly.

In one embodiment, a node connecting the third tension insulator and the fourth tension insulator is lower than one end of the third tension insulator connected to the first cross arm assembly; the third strain insulator with the node that fourth strain insulator is connected is less than fourth strain insulator connects the one end of second cross arm subassembly, just third strain insulator with fourth strain insulator uses virtual axis sets up for symmetry axis symmetry.

In one embodiment, the guyed tower further comprises a first guy cable, a second guy cable and a third guy cable, the first guy cable is used for connecting the first tower body with the ground, the second guy cable is used for connecting the second tower body with the ground, the first tower body and the second tower body are connected with each other through the third guy cable, and the cross arm assembly is connected to one end, connected with the third guy cable, of the first tower body and the second tower body.

In one embodiment, the distance between the first tower body and the second tower body is gradually reduced from one end close to the third cable to one end far away from the third cable;

the first guy cable is relative the distance of first body of the tower is connected from it the one end to the other end crescent of first body of the tower, the second guy cable is relative the distance of second body of the tower is connected from it the one end to the other end crescent of second body of the tower, just first guy cable with distance between the second guy cable is close to from one end to the other end crescent of third guy cable.

According to the guyed tower, the cross arm assemblies are symmetrically arranged along a virtual axis and form at least two triangles together with the first tower body and the second tower body in an enclosing mode, and the cross arm assemblies have good structural stability based on the characteristic of high stability of a symmetrical structure and a triangular structure, so that the arrangement of wires on the guyed tower is more stable; adopt composite insulator to replace traditional insulator chain simultaneously, further improve structural stability, adopt composite post insulator to replace traditional post insulator, satisfying under the circumstances of supporting strength, reduce the insulator kind, alleviate the bearing of guyed tower itself, simultaneously under the circumstances of reducing the width in transmission line corridor by a wide margin, solved the windage yaw flashover problem of alternate wire, promoted the transmission efficiency of circuit, improved the atress of first body of the tower with the second body of the tower simultaneously, effectively practiced thrift the tower material.

Drawings

FIG. 1 is a front view of a guyed tower according to one embodiment of the present invention;

FIG. 2 is a front view of a guyed tower according to another embodiment of the present invention;

FIG. 3 is a front view of a guyed tower according to another embodiment of the present invention;

FIG. 4 is a front view of a guyed tower according to yet another embodiment of the present invention;

fig. 5 is a side view of a guyed tower according to an embodiment of the present invention.

100. A guyed tower; 10. a first tower body; 20. a second tower; 30. a first cable; 40. a second cable; 50. a third cable; 60. a cross arm assembly; 61. a first cross arm assembly; 612. a first strain insulator; 614. a first post insulator; 62. a second cross arm assembly; 621. a second strain insulator; 623. a second post insulator; 63. a third cross arm assembly; 632. a third strain insulator; 634. a fourth tension insulator; 636. a fifth strain insulator; 64. a first wire hanging fitting; 65. a second wire-hanging fitting; 66. and a third wire hanging hardware fitting.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1 to 5, in a guyed tower 100 according to an embodiment of the present invention, a plurality of guyed towers 100 may be arranged at intervals to install a wire to form a power transmission line.

The guyed tower 100 comprises a first tower body 10 and a second tower body 20, wherein the first tower body 10 and the second tower body 20 are respectively fixed on the ground and are arranged at a certain distance in a first direction. The foundation of the first tower 10 and the foundation of the second tower 20 may be located at the same installation height or different installation heights in the gravity direction according to the terrain height of the installation foundation. However, the top of the first tower 10 and the top of the second tower 20 are located at the same level, i.e., the length of the first tower 10 may be different from the length of the second tower 20. In the present embodiment, the first tower body 10 and the second tower body 20 are both lattice towers having truss structures, but it is understood that the shapes of the first tower body and the second tower body are not limited in other embodiments, and may be different shapes as needed. In the present application, the first direction is parallel to the horizontal direction.

Further, the guy tower 100 further includes two first guy wires 30, two second guy wires 40, and one third guy wire 50. One end of each first guy cable 30 is connected to the top end of the first tower body 10, the other end of each first guy cable 30 is fixedly connected to the ground, the two first guy cables 30 are symmetrically arranged along the plane where the first tower body 10 and the second tower body 20 are located, and the included angle formed between the two first guy cables 30 is 25-40 degrees, so that the guy cable tower 100 has a small floor area and a high structural stability. One end of each second cable 40 is connected to the top end of the second tower body 20, the other end of each second cable 40 is fixedly connected to the ground, the two second cables 40 are symmetrically arranged along the plane where the first tower body 10 and the second tower body 20 are located, and the included angle formed between the two second cables 40 is 25-40 degrees, so that the guyed tower 100 has a small floor area and has high structural stability. The two ends of the third cable 50 are respectively connected to the top end of the first tower 10 and the top end of the second tower 20, and the extending direction of the third cable 50 is parallel to the first direction.

Specifically, in an embodiment, the distance between the first tower 10 and the second tower 20 gradually decreases from the end close to the third cable 50 to the end far from the third cable 50, and the angle between the first tower 10 and the second tower 20 is 5 ° to 15 °, so that the guyed tower 100 has a small floor area and high structural stability. The distance of every first cable 30 relative first body of tower 10 in the first direction is from its one end of connecting first body of tower 10 to the other end crescent, and the distance of every second cable 40 relative second body of tower 20 in the first direction is from its one end of connecting second body of tower 20 to the other end crescent, and the distance between two first cables 30 and two second cables 40 is from the one end that is close to third cable 50 to the other end crescent.

Thus, the first tower body 10 and the second tower body 20 are fixed relative to the ground through the first cable 30, the second cable 40 and the third cable 50, the acting force exerted by the first cable 30 on the first tower body 10 and the acting force exerted by the third cable 50 on the first tower body 10 extend along different directions to enable the first tower body 10 to be in a stress balance state, the acting force exerted by the second cable 40 on the second tower body 20 and the acting force exerted by the third cable 50 on the second tower body 20 extend along different directions to enable the second tower body 20 to be in a stress balance state, the first tower body 20 and the second tower body 20 always keep an ideal distance under the limiting effect of the third cable 50, and the first tower body 10, any one of the first guy cables 30 and the ground enclose and form a triangle, and the second tower body 20, any one of the second guy cables 40 and the ground enclose and form a triangle, so that the stability is high. It is understood that the fixing manner of the first tower 10 and the second tower 20 is not limited thereto, and the number of the first cable 30, the second cable 40 and the third cable 50 may be set as required to meet different installation requirements.

Further, to enable installation of the conductor, the tower 100 also includes a cross arm assembly 60 for hooking the conductor. A cross arm assembly 60 is connected between the first and second towers 10 and 20 and includes a plurality of interconnected insulators. The cross arm assembly 60 is symmetrically disposed about a virtual axis, and the cross arm assembly 60, the first tower 10 and the second tower 20 together form at least two triangles.

So, because cross arm subassembly 60 sets up along a virtual axis symmetry, and enclose jointly with first body of the tower 10 and second body of the tower 20 and close two at least triangles of formation, have the characteristics of higher stability based on symmetrical structure and triangle-shaped structure, cross arm subassembly 60 has good structural stability, and then make arranging of the wire on the guyed tower 100 more stable, under the condition of reducing the width of transmission line corridor (namely the wire extends the banding region in circuit below of regulation width to both sides), the windage yaw flashover problem of alternate wire has been solved, the transmission efficiency of circuit has been promoted, the atress of first body of the tower 10 with second body of the tower 20 has been improved simultaneously, tower material has effectively been practiced thrift.

With continued reference to fig. 1-5, the cross arm assembly 60 includes a first cross arm assembly 61, a second cross arm assembly 62, and a third cross arm assembly 63. Third cross arm assembly 63 is connected between first cross arm assembly 61 and second cross arm assembly 62, and the one end that third cross arm assembly 63 is kept away from to first cross arm assembly 61 is connected in first body 10, and the one end that third cross arm assembly 63 is kept away from to second cross arm assembly 62 is connected in second body 20.

Specifically, the first cross arm assembly 61 includes a first tension insulator 612 mainly bearing tension and a first post insulator 614 mainly bearing pressure, one end of the first tension insulator 612 is connected to the first tower 10, the other end of the first tension insulator 612 is connected to one end of the first post insulator 614, the other end of the first post insulator 614 is connected to the first tower 10, and the position where the first tension insulator 612 is connected to the first tower 10 is above the position where the first post insulator 614 is connected to the first tower 10. In this way, the first cross arm assembly 61 and the first tower 10 together form a triangle, thereby having high structural stability. Moreover, the first cross arm assembly 61 is formed by combining two insulators with different stress modes, namely a first tension insulator 612 mainly bearing tension and a first post insulator 614 mainly bearing pressure, so that the structural stability is further enhanced, and the windage yaw is reduced.

Preferably, in some embodiments, the first strain insulator 612 is connected to the top end of the first tower 10, so as to have a larger distance from the ground without increasing the height of the first tower 10, thereby ensuring a sufficient electrical safety clearance. It is understood that in other embodiments, the first tension insulator can be attached to the first tower at a location other than the top end to meet different needs.

The second cross arm assembly 62 includes a second tension insulator 621 mainly bearing a tensile force and a second post insulator 623 mainly bearing a compressive force, one end of the second tension insulator 621 is connected to the second tower body 20, the other end of the second tension insulator 621 is connected to one end of the second post insulator 623, the other end of the second post insulator 623 is connected to the second tower body 20, and the position where the second tension insulator 621 is connected to the second tower body 20 is above the position where the second post insulator 623 is connected to the second tower body 20. In this way, the second cross arm assembly 62 and the second tower 20 enclose a triangle, thereby having high structural stability. Moreover, the second cross arm assembly 62 is formed by combining two insulators with different stress modes, namely the second tension insulator 621 mainly bearing tension and the second post insulator 623 mainly bearing pressure, so that the structural stability is further enhanced, and the windage yaw is reduced.

Preferably, in some embodiments, the second tension insulator 621 is connected to the top end of the second tower 20, so as to have a larger distance from the ground without increasing the height of the second tower 20, thereby ensuring a sufficient electrical safety distance. It is understood that in other embodiments, the second tension insulator can be attached to the second tower at a location other than the top end to meet different needs.

Further, the extending directions of the first tension insulator 612, the first post insulator 614, the second tension insulator 621 and the second post insulator 623 can be set as required, so as to form triangles with different shapes by enclosing together with the first tower 10 and the second tower 20, thereby satisfying different requirements under different environments.

Preferably, in some embodiments, the first cross arm assembly 61 and the first tower 10 together enclose an acute triangle, and the second cross arm assembly 62 and the second tower 20 together enclose an acute triangle, thereby providing higher structural stability. It is understood that in other embodiments, the first cross arm assembly and the first tower body can jointly enclose a right triangle or an obtuse triangle, and the second cross arm assembly and the second tower body can jointly enclose a right triangle or an obtuse triangle, so as to meet different requirements.

As shown in fig. 1, in one embodiment, the distance between the first tension insulator 612 and the third cable 50 is gradually increased from the end connected to the first tower 10 to the end connected to the third cross arm assembly 63, and the first post insulator 614 extends from the first tower 10 along the first direction to be parallel to the third cable 50. The distance between the second tension insulator 621 and the third cable 50 is gradually increased from the end thereof connected to the second tower 20 to the end thereof connected to the third cross arm assembly 63, and the second post insulator 623 extends from the second tower 20 along the first direction to be parallel to the third cable 50.

As shown in fig. 2, in another embodiment, the distance between the first tension insulator 612 and the third cable 50 is gradually increased from the end connected to the first tower 10 to the end connected to the third cross arm assembly 63, the extending direction of the first post insulator 614 is intersected with the first direction, the end of the first post insulator 614 connected to the first tension insulator 612 is higher than the end of the first post insulator 614 connected to the first tower 10, and the distance between the first post insulator 614 and the third cable 50 is gradually decreased from the end connected to the first tower 10 to the end away from the first tower 10. The distance between the second tension insulator 621 and the third cable 50 is gradually increased from the end connected with the second tower body 20 to the end connected with the third cross arm assembly 63, the extending direction of the second post insulator 623 is intersected with the first direction, the end connected with the second tension insulator 623 and the second tension insulator 621 is higher than the end connected with the second tower body 20 and the second post insulator 623 is gradually decreased from the end connected with the first tower body 10 to the end far away from the first tower body 10.

With continued reference to fig. 1 and 2, in some embodiments, the third cross arm assembly 63 includes a third tension insulator 632 and a fourth tension insulator 634, which are mainly under tension. One end of the third strain insulator 632 is connected to the first strain insulator 612 and the first post insulator 614 of the first cross arm assembly 61, the other end of the third strain insulator 632 is connected to one end of the fourth strain insulator 634, and the other end of the fourth strain insulator 634 is connected to the second strain insulator 621 and the second post insulator 623 of the second cross arm assembly 62.

Specifically, in an embodiment, the distance between the third strain insulator 632 and the third cable 50 is gradually increased from the end thereof connected to the first cross arm assembly 61 to the end thereof connected to the fourth strain insulator 634, the distance between the fourth strain insulator 634 and the third cable 50 is gradually increased from the end thereof connected to the second cross arm assembly 62 to the end thereof connected to the third strain insulator 632, and the node where the third strain insulator 632 and the fourth strain insulator 634 are connected is lower than the end where the third strain insulator 632 is connected to the first cross arm assembly 61 and the end where the fourth strain insulator 634 is connected to the second cross arm assembly 62. The third strain insulator 632 and the fourth strain insulator 634 are disposed symmetrically with respect to the virtual axis. Thus, the third cross arm assembly 63 is V-shaped, thereby having high structural stability.

Preferably, in some embodiments, the included angle formed between the third tension insulator 632 and the fourth tension insulator 634 is an acute angle, so as to have higher structural stability. It is understood that in other embodiments, the included angle formed between the third tension insulator and the fourth tension insulator may also be a right angle or an obtuse angle to meet different usage requirements.

Further in some other embodiments, as shown in fig. 3 and 4, the third cross arm assembly 63 further comprises a fifth tension insulator 636 that is primarily under tension. The fifth strain insulator 636 extends in the first direction to be parallel to the third cable 50, one end of the fifth strain insulator 636 is connected to the third strain insulator 632 and connected to one end of the first cross arm assembly 61, and the other end of the fifth strain insulator 636 is connected to the fourth strain insulator 634 and connected to one end of the second cross arm assembly 62.

Thus, the third cross arm assembly 63 formed by the third tension insulator 632, the fourth tension insulator 634 and the fifth tension insulator 636 is enclosed to form an inverted triangle, so that the cross arm assembly 60, the first tower body 10 and the second tower body 20 are enclosed to form three triangles, thereby having stronger structural stability and preventing wind deflection flashover.

In this embodiment, the cross arm assembly 60 is a composite cross arm assembly, and the first tension insulator 612 and the first post insulator 614, the second tension insulator 621 and the second post insulator 623, the third tension insulator 632, the fourth tension insulator 634 and the fifth tension insulator 636 are composite insulators, wherein the tension insulators are preferably composite line insulators. The middle of the composite insulator is provided with an insulating tube or an insulating core rod, and the outside of the composite insulator is wrapped with a rubber umbrella skirt, wherein the insulating tube can be a glass fiber reinforced plastic tube formed by winding, curing and molding glass fiber impregnated epoxy resin or a pultruded glass fiber reinforced plastic tube formed by winding, curing and molding aramid fiber impregnated epoxy resin; the insulating core rod can be a solid core rod formed by pultrusion of glass fiber or aramid fiber impregnated epoxy resin, the rubber umbrella skirt can be made of high-temperature vulcanized silica gel, and can also be made of rubber materials in other forms, and the insulating core rod is low in cost and has good technical economy. It is worth noting that the cross arm assembly 60 is arranged into the composite cross arm, so that the structure of the cross arm assembly 60 is light and convenient, the cross arm assembly is easy to process, the transportation, assembly and maintenance costs of the cross arm assembly 60 are saved, potential safety hazards such as pollution flashover and rain flashover can be eliminated through the excellent external insulation performance of the cross arm assembly, the problem of wind deflection flashover is further prevented, and the safe operation level of the cross arm assembly 60 is improved.

In other embodiments, the first cross arm assembly, the second cross arm assembly and the third cross arm assembly may further include three or more tension insulators and/or post insulators, and the number and specific connection manner of the tension insulators and the post insulators are not limited herein, so as to meet the actual requirement.

In some embodiments, the tower 100 further includes a first wire fitting 64, a second wire fitting 65, and a third wire fitting 66 for hanging the wire. The first wire-hanging fitting 64 is connected to a joint of the first cross arm assembly 61 and the third cross arm assembly 63, the second wire-hanging fitting 65 is connected to a joint of the second cross arm assembly 62 and the third cross arm assembly 63, and the third wire-hanging fitting 66 is connected to one end of the third cross arm assembly 63, which is not connected with the first cross arm assembly 61 and the second cross arm assembly 62. In some embodiments, the first wire hanging fitting 64, the second wire hanging fitting 65 and the third wire hanging fitting 66 may also be wire clamps, which are not limited herein.

It will be appreciated that the above-described arrangement of the cross-arm assembly 60 meets the electrical safety spacing for the corresponding voltage class, thereby meeting the safety requirements.

In the guyed tower 100, the first tower body 10, the second tower body 20 and the cross arm assembly 60 are symmetrically and triangularly arranged, and the tensile property of the tension insulator and the compressive property of the post insulator are fully utilized, so that the line arrangement is more compact; adopt compound strain insulator to replace traditional strain insulator-string simultaneously, further improve structural stability, adopt compound post insulator to replace traditional post insulator, satisfying under the circumstances of supporting strength, reduce the insulator kind, alleviate the bearing of guyed tower itself, simultaneously under the circumstances of the width that reduces substantially transmission line corridor, the windage yaw flashover problem of alternate wire has been solved, the transmission efficiency of circuit has been promoted, the atress of first body of the tower 10 with second body of the tower 20 has been improved simultaneously, at least 5% tower material has effectively been practiced thrift.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A guyed tower, characterized in that it comprises:

a first tower body;

the second tower body is arranged at a certain distance from the first tower body in the first direction; and

a cross arm assembly for hanging a wire, the cross arm assembly being connected between the first tower body and the second tower body, the cross arm assembly including a plurality of interconnected insulators;

the cross arm assembly is symmetrical by taking a virtual axis as a symmetry axis, and the cross arm assembly, the first tower body and the second tower body jointly enclose to form at least two triangles.

2. The mast of claim 1, wherein the cross arm assembly comprises a first cross arm assembly, a second cross arm assembly and a third cross arm assembly, the third cross arm assembly being connected between the first cross arm assembly and the second cross arm assembly, an end of the first cross arm assembly remote from the third cross arm assembly being connected to the first mast body, an end of the second cross arm assembly remote from the third cross arm assembly being connected to the second mast body.

3. The mast of claim 2, wherein the first cross arm assembly and the first mast enclose a triangle and the second cross arm assembly and the second mast enclose a triangle.

4. The mast of claim 3, wherein the first cross arm assembly comprises a first strain insulator and a first post insulator, one end of the first strain insulator being connected to the first mast, the other end of the first strain insulator being connected to one end of the first post insulator, the other end of the first post insulator being connected to the first mast, the first strain insulator being connected to the first mast above the location where the first post insulator is connected to the first mast;

the second cross arm assembly comprises a second tension insulator and a second post insulator, one end of the second tension insulator is connected with the second tower body, the other end of the second tension insulator is connected with one end of the second post insulator, the other end of the second post insulator is connected with the second tower body, and the second tension insulator is connected with the second tower body in a position above the position where the second tower body is connected with the second post insulator.

5. The tower of claim 4, wherein the first post insulator extends from the first tower in the first direction and the second post insulator extends from the second tower in the first direction.

6. The mast according to claim 4, wherein the end of the first post insulator connected to the first tension insulator is higher than the end of the first post insulator connected to the first mast; and one end of the second post insulator connected with the second strain insulator is higher than one end of the second post insulator connected with the second tower body.

7. The mast of claim 2, wherein the third cross arm assembly comprises a third tension insulator and a fourth tension insulator, one end of the third tension insulator is connected to the first cross arm assembly, the other end of the third tension insulator is connected to one end of the fourth tension insulator, and the other end of the fourth tension insulator is connected to the second cross arm assembly.

8. The mast of claim 7, wherein a node at which the third tension insulator is connected to the fourth tension insulator is lower than an end of the third tension insulator connected to the first cross arm assembly; the third strain insulator with the node that fourth strain insulator is connected is less than fourth strain insulator connects the one end of second cross arm subassembly, just third strain insulator with fourth strain insulator uses virtual axis sets up for symmetry axis symmetry.

9. The guyed tower of any one of claims 1 to 8, wherein the guyed tower further comprises a first guy cable, a second guy cable and a third guy cable, wherein the first guy cable is used for connecting the first tower body and the ground, the second guy cable is used for connecting the second tower body and the ground, the first tower body and the second tower body are connected with each other through the third guy cable, and the cross arm assembly is connected to one end of the first tower body and the second tower body, which is connected with the third guy cable.

10. The guyed tower of claim 9, wherein the distance between the first tower body and the second tower body gradually decreases from an end near a third guy cable towards an end away from the third guy cable;

the first guy cable is relative the distance of first body of the tower is connected from it the one end to the other end crescent of first body of the tower, the second guy cable is relative the distance of second body of the tower is connected from it the one end to the other end crescent of second body of the tower, just first guy cable with distance between the second guy cable is close to from one end to the other end crescent of third guy cable.

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