CN213043236U - Power transformation framework - Google Patents

Abstract

The application discloses transformer framework, transformer framework includes: the support assembly comprises at least two support columns which are arranged at intervals, the at least two support columns comprise a first side support column and a second side support column which are positioned at two side edges, and three wire hanging points are arranged on the first side support column; the beam assembly comprises a beam erected between every two adjacent support columns; along the plane of the axis of the beam assembly and the axis of the support assembly, two sides of the power transformation framework are divided into a first side and a second side. Through set up three hanging wire point on first side support column, can expand the looks number that the wire is connected, reduce the use of crossbeam and support column, reduce area, reduce steel and base material quantity, reduce construction cost.

Description

Power transformation framework

Technical Field

This application belongs to substation equipment technical field, concretely relates to transformer framework.

Background

Compared with the traditional open-type transformer substation, the Gas Insulated Substation (GIS) can greatly reduce the electrical safety distance between wires and effectively reduce the land occupation area of the whole transformer substation due to the fact that SF6 gas is used as a main insulating medium. However, in the actual engineering of the GIS station, a mature power transformation framework design scheme with high cost performance is still needed, so that the occupied area can be further reduced, the material consumption can be reduced, and the effect of saving the construction cost can be achieved.

SUMMERY OF THE UTILITY MODEL

The application provides a power transformation framework to solve the power transformation framework material quantity many, area is big, technical problem with high costs.

In order to solve the technical problem, the application adopts a technical scheme that: a power transformation architecture, the power transformation architecture comprising: the support assembly comprises at least two support columns which are arranged at intervals, the at least two support columns comprise a first side support column and a second side support column which are positioned at two side edges, and three wire hanging points are arranged on the first side support column; the beam assembly comprises a beam erected between every two adjacent support columns; along the plane of the axis of the beam assembly and the axis of the support assembly, two sides of the power transformation framework are divided into a first side and a second side.

According to an embodiment of the present application, a power transformation framework includes: two avris hanging wire subassemblies, two avris hanging wire subassemblies set up respectively on first avris support column and second avris support column, and lie in one side that first avris support column and second avris support column deviate from the crossbeam respectively, set up the hanging wire point on the avris hanging wire subassembly.

According to an embodiment of the present application, a side wire hanging assembly includes: one end of the strut cross arm is connected with the first side support column or the second side support column, and the strut cross arm extends out towards the direction departing from the cross beam; the other end of the strut cross arm is used for hanging a lead; the pillar cross arm is a metal cross arm, and a lead is connected to the other end of the pillar cross arm through a first tension insulator; or the pillar cross arm is an insulating cross arm, and the other end of the pillar cross arm can be directly used as a wire hanging point.

According to an embodiment of the present application, a side wire hanging assembly includes: the diagonal member is made of composite insulating materials and is located above the cross arm of the support column, one end of the diagonal member is connected to the first side supporting column or the second side supporting column, and the other end of the diagonal member is connected to the other end of the cross arm of the support column.

According to one embodiment of the application, the beam is made of composite insulating materials, and the position, between the two support columns, on the beam can be directly used as a wire hanging point; the crossbeam includes two at least crossbeam sections, and two at least crossbeam sections pass through flange joint, and the power transformation framework includes: the suspension wire plate is arranged at a flange between two adjacent cross beam sections and is provided with a suspension wire hole for suspending a wire.

According to an embodiment of the application, still include the intermediate strut who is located between first avris support column and the second avris support column in the at least two support columns, first avris support column and intermediate strut all include interconnect's first supporting part and second supporting part, and first supporting part is located between crossbeam and the second supporting part, and first supporting part is composite insulating material, and the second supporting part is metal material, and the junction of first supporting part and crossbeam can directly regard as the hanging wire point.

According to an embodiment of the present application, a power transformation framework includes: the first supporting insulator is located on the second side, one end of the first supporting insulator is connected to the supporting column, the other end of the first supporting insulator is a free end, and the free end of the first supporting insulator is used for supporting a wire hung at a wire hanging point at the joint of the first supporting portion and the cross beam.

According to an embodiment of the application, the first supporting portion and the cross beam are connected through a flange assembly, the wire is hung on the flange assembly, and the wire is connected to the second side from the first side through a jumper assembly.

According to an embodiment of the application, the power transformation framework further comprises: and the second tension insulator is positioned on the first side, one end of the second tension insulator is connected to the support column, the other end of the second tension insulator is a free end, and the free end of the second tension insulator is used as a wire hanging point.

According to an embodiment of the application, the power transformation framework further comprises: the second cross beam is erected between two adjacent support columns and is positioned below the cross beam; and the third tension insulator is positioned on the first side, one end of the third tension insulator is connected to the second cross beam, the other end of the third tension insulator is a free end, and the free end of the third tension insulator is used as a wire hanging point.

According to an embodiment of the application, the power transformation framework further comprises: be equipped with two hanging wire points on the second avris support column, the second avris support column is metal material, and the transformer framework still includes: and the fourth tension insulator is positioned on the first side, one end of the fourth tension insulator is connected to the joint of the second side supporting column and the cross beam, and the other end of the fourth tension insulator is a free end and can be used as a wire hanging point.

The beneficial effect of this application is: through set up three hanging wire point on first side support column, can expand the looks number that the wire is connected, reduce the use of crossbeam and support column, reduce area, reduce steel and base material quantity, reduce construction cost. In addition, the cross beam and the first supporting part are made of composite materials, so that the structure of the power transformation framework is more compact, the occupied area of a transformer substation is reduced, meanwhile, the traditional insulating materials are replaced by the composite insulating materials, maintenance-free performance can be achieved, and operation and maintenance cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a schematic perspective view of an embodiment of a power transformation architecture of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of section C of FIG. 1;

FIG. 5 is a schematic partial structural view of an embodiment of the power transformation architecture of the present application, illustrating a beam;

FIG. 6 is a schematic top view of an embodiment of the power transformation architecture of the present application;

FIG. 7 is a schematic perspective view of a further embodiment of a power transformation architecture of the present application;

FIG. 8 is an enlarged view of portion D of FIG. 7;

fig. 9 is a schematic perspective view of a power transformation architecture according to another embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

An embodiment of the present application discloses a power transformation framework 100, as shown in fig. 1, including a support assembly 110, a beam assembly 120, and a side wire assembly 131. The support assembly 110 includes at least two support columns 111 arranged at intervals, the at least two support columns 111 include two side support columns 112 located at two side edges, and the two side support columns 112 are a first side support column 1121 and a second side support column 1122, respectively; the beam assembly 120 includes a beam 121 erected between each two adjacent support columns 111; the side wire hanging assembly 131 is at least disposed on the first side supporting pillar 1121 and is located on a side of the first side supporting pillar 1121 departing from the beam 121. Through set up avris hanging wire subassembly 131 on one side of first side support post 1121 deviating from crossbeam 121, can set up a looks wire 200 again on the transformer framework 100, and then can expand the wire 200 looks number of connecting, reduce crossbeam 121 and support column 111's use, reduce steel and base material quantity, reduce construction cost.

Preferably, the first side supporting pillar 1121 and the second side supporting pillar 1122 are both provided with the side hanging wire assembly 131, so that the number of phases of the connected wires 200 can be further increased, the use of the cross beam 121 and the supporting pillar 111 is reduced, the use amount of steel and base materials is reduced, and the construction cost is reduced.

In one embodiment, as shown in FIG. 2, side wire assembly 131 includes a support cross arm 1311, one end of support cross arm 1311 is connected to side support post 112, and support cross arm 1311 extends away from cross beam 121, and the other end of support cross arm 1311 is used for hanging wire 200. Specifically, as shown in fig. 1 and 3, first end fittings 180 are connected to both ends of the pillar cross arm 1311, respectively, and the first end fittings 180 include a first sleeve 181, a first plate 182, and a first reinforcing rib 183. The first sleeve 181 is sleeved and fixed at one end of the strut cross arm 1311, a U-shaped groove matched with the end of the first sleeve 181 is formed in one end of the first flat plate 182, the first flat plate 182 is clamped and fixed at the end of the first sleeve 181 through the U-shaped groove, the first flat plate 182 can be fixed with the first sleeve 181 through welding, or the first flat plate 182 can be integrally formed with the first sleeve 181, which is not limited here. The first reinforcing rib 183 is located in a space formed by the surface of the first plate 182 and the end surface of the first sleeve 181, one side of the first reinforcing rib 183 is fixedly arranged on the surface of the first plate 182, the other side of the first reinforcing rib 183 is fixedly arranged on the end surface of the first sleeve 181, and the first reinforcing rib 183 can be perpendicular to the surface of the first plate 182 and the end surface of the first sleeve 181. The first reinforcing rib 183 improves the connection strength between the first plate 182 and the first sleeve 181, and prevents the first plate from being bent or separated under extreme weather conditions. Specifically, the first reinforcing rib 183 may be fixed to the first plate 182 and the first sleeve 181 by welding, and in other embodiments, the first reinforcing rib 183 may be integrally formed with the first plate 182, which is not limited herein. First end fittings 180 at one end of strut cross arm 1311 are attached to side support struts 112 by fasteners.

In order to increase the strength of the side wire assembly 131, as shown in fig. 1 and 2, the side wire assembly 131 further includes a diagonal member 1312, one end of the diagonal member 1312 is connected to the side support post 112, and the other end is connected to the other end of the post cross 1311, thereby improving the stability of the side wire assembly 131. One end of the diagonal members 1312 may be attached to the side support posts 112 or to the junction of the side support posts 112 and the cross member 121.

Specifically, as shown in fig. 2, one end of the diagonal member 1312 is connected to a first right-angle hanging ring set 13121, the side support pillar 112 is connected to a second right-angle hanging ring set 1123, and the first right-angle hanging ring set 13121 and the second right-angle hanging ring set 1123 are respectively connected to the first connection plate 1124, so that one end of the diagonal member 1312 is connected to the side support pillar 112.

As shown in fig. 4, the other end of the diagonal member 1312 is connected to the third right-angle suspension ring set 13122, and the first end fitting 180 and the third right-angle suspension ring set 13122 of the other end of the pillar cross arm 1311 are connected to the second connection plate 184, respectively, so that the other end of the diagonal member 1312 and the pillar cross arm 1311 are connected to each other.

Further, as shown in fig. 4, the pillar cross arm 1311 and the diagonal member 1312 are both made of insulating materials, and the conductive wire 200 may be directly hung on the other end of the pillar cross arm 1311 by a wire-hanging fitting. Because the junction of the strut cross arm 1311 and the oblique pull piece 1312 is used for hanging a lead, the other end of the strut cross arm 1311 and the other end of the oblique pull piece 1312 are respectively provided with the equalizing ring 1313, the equalizing ring 1313 can evenly distribute high voltage around, and no potential difference between all annular parts is ensured, so that the effect of equalizing voltage is achieved, and abnormal discharge is prevented. In addition, because the connecting ends of the strut cross arm 1311 and the diagonal member 1312 have uneven surfaces, the equalizing rings 1313 are respectively arranged on two sides of the second connecting plate 184, and the equalizing rings 1313 are located on two sides of the connecting point of the lead wire 200, so that an equalizing effect is achieved, and abnormal discharge is prevented.

In a specific embodiment, each support column includes a main support column, and a column cross arm is connected to the main support column, the column cross arm extends toward a direction away from the cross beam, one end of the diagonal member is connected to a joint of the side support column and the cross beam, the other end of the diagonal member is connected to the other end of the column cross arm, and the diagonal member, the column cross arm and the main support column form a stable triangular space. The other end of the strut cross arm is used for hanging a lead.

In another embodiment, as shown in fig. 1 and 2, each supporting column 111 includes two main supporting columns 1113, each main supporting column 1113 is connected with a supporting column cross arm 1311, the supporting column cross arm 1311 extends towards a direction away from the cross beam 121, the other ends of the two supporting column cross arms 1311 are connected with each other, one end of a diagonal pulling piece 1312 is connected to the joint of the side supporting column 112 and the cross beam 121, the other end of the diagonal pulling piece 1312 is connected to the connecting end of the two supporting column cross arms 1311, a stable triangular pyramid space is formed between the diagonal pulling piece 1312 and the two supporting column cross arms 1311 and the two main supporting columns 1113, and the connecting end of the two supporting column cross arms 1311 is used for hanging the lead 200. Preferably, the two strut cross arms 1311 lie in the same horizontal plane.

Further, as shown in fig. 2, the straight line of the axis of the cross beam 121 is perpendicular to the plane of the axes of the two main support columns 1113, and the two main support columns 1113 form an included angle of 5-70 degrees. The two main support columns 1113 are connected to the cross beam 121 by flange assemblies 114. Of the two side support columns 112 located on both sides, at least one side support column 112 further includes an oblique support column 1114, the oblique support column 1114 is connected to the flange assembly 114, and the oblique support column 1114 is located outside the plane of the two main support columns 1113, so as to limit the deflection of the power transformation framework 100 along the extension direction of the cross beam 121. In this embodiment, the second side support column 1122 includes an inclined support column 1114, and the inclined support column 1114 is connected to the flange assembly 114. It should be noted that the diagonal support posts 1114 are disposed at a side away from the beam assembly 120, and the diagonal support posts 1114 are disposed between the two post cross arms 1311. In other embodiments, the first side supporting column may also include an oblique supporting column, which is not limited herein.

In other embodiments, the side wire hanging assembly further comprises a first tension insulator, the first tension insulator is connected to the other end of the strut cross arm, the wire is hung on the side wire hanging assembly through the first tension insulator, and both the strut cross arm and the diagonal tension member can be made of metal materials, so that cost is saved.

In one embodiment, as shown in fig. 1, the beam 121 is made of a composite insulating material, and a position of the beam 121 between two support columns 111 can be directly used as a wire hanging point. In the traditional power transformation framework, the cross beam is made of metal materials, and a strain insulator string, a suspension insulator string or a jumper wire is required to be combined to connect and connect a lead. In one embodiment, the cross beam 121 is made of a composite insulating material, has excellent electrical insulating performance, and can be directly connected with the lead 200 without adopting a structure such as a suspension insulator, so that the material consumption of the structure such as the suspension insulator is reduced; moreover, strain insulator strings, suspension insulator strings and jumper wires are saved, and the problem of windage yaw discharge possibly existing in the power transformation framework 100 can be solved; the power transformation framework 100 made of the composite insulating material is light in weight, not prone to rusting and cracking, high in transportation and installation efficiency, capable of achieving a full life cycle and free of maintenance, and capable of reducing operation and maintenance costs of an original porcelain insulator chain. Of course, in other embodiments, the cross beam may also be made of a metal material, and a combination of a strain insulator string, a suspension insulator string, or a jumper wire is used to hook the wires.

In an embodiment, as shown in fig. 5, the beam 121 includes at least two beam sections 1211, for example, two, three or more, two adjacent beam sections 1211 are connected by a flange, the power transformation frame 100 includes a first wire hanging plate 1212, the first wire hanging plate 1212 is disposed at the flange between two adjacent beam sections 1211, the first wire hanging plate 1212 is provided with a plurality of wire hanging holes, and the wire hanging holes are used for connecting a wire hanging fitting (not shown) and then hanging the wires 200. Specifically, the beam 121 includes two beam sections 1211, the adjacent ends of the two beam sections 1211 are respectively connected to a first flange 1213, and the first wire hanging plate 1212 is sandwiched between the two first flanges 1213 to hang the wire 200. In other embodiments, the cross beam can also be a complete long cross beam, the cross beam is sleeved with an anchor ear, and the anchor ear is provided with a wire hanging plate for hanging the wires. The two sides of the first flange 1213 are further provided with the grading rings 1313, and the grading rings 1313 can uniformly distribute high voltage around, so that no potential difference is generated between the annular parts, the effect of grading is achieved, and abnormal discharge is prevented.

In an embodiment, as shown in fig. 1 and 2, the beam 121 gradually rises upwards along a direction away from the two side supporting pillars 111 to form an arched beam 121, so that the power transformation framework 100 can counteract vertical sag by using its own arched structure, thereby reducing potential safety hazards. Specifically, a flange assembly 114 is disposed between the supporting column 111 and the cross beam 121, and an end of the supporting column 111 and an end of the cross beam 121 are respectively connected to the flange assembly 114. The flange assembly 114 comprises a cylinder 1141, the axis of the cylinder 1141 is inclined upwards and forms an acute angle with the horizontal plane, so that the cylinder 1141 can have an upward pre-arching trend after installation, when the flange assembly 114 is connected with the cross beam 121, a linked pre-arching angle can be generated, and the cross beam 121 can be gradually lifted upwards along the direction away from the support columns 111 on the two sides to form the arched cross beam 121.

Further, as shown in fig. 1, at least one supporting column 111 includes a first supporting portion 1111 and a second supporting portion 1112 connected to each other, the first supporting portion 1111 is located between the beam 121 and the second supporting portion 1112, the first supporting portion 1111 is made of a composite insulating material, the second supporting portion 1112 is made of a metal material, and a connection portion of the first supporting portion 1111 and the beam assembly 120 may directly serve as a wire hanging point. Of course, in other embodiments, the wire hanging point may be disposed on both the first supporting portion 1111 and the second supporting portion 1112, and is not limited thereto. Because the first supporting portion 1111 connected to the cross beam 121 is made of a composite insulating material and has excellent electrical insulating properties, the electrical safety distance between the conductive wire 200 and the supporting post 111 can be reduced, and thus the width and the land acquisition cost of the power transformation frame 100 can be effectively reduced, and the second supporting portion 1112 is made of a metal material, thereby achieving the effect of reducing the cost. In addition, the support column 111 of the composite structure is light in weight and not easy to rust and crack, so that the problem of difficulty in transportation, installation and maintenance is solved correspondingly, and the transportation, installation and maintenance cost is reduced.

In order to further reduce the width of the power transformation framework 100, all the supporting columns 111 include a first supporting portion 1111 and a second supporting portion 1112, the first supporting portion 1111 is made of a composite insulating material, the electrical insulating performance of the first supporting portion 1111 is fully exerted, and the electrical safety distance between the conducting wire 200 and the supporting column 111 is reduced to the greatest extent, so that the width and the land acquisition cost of the power transformation framework are reduced.

It should be noted that the cross beam 121 and the first supporting portion 1111 may adopt a post insulator structure, and the post insulator includes an insulator inside and a rubber shed covering the insulator. In particular, the insulator may be an insulating tube or an insulating mandrel. The insulating tube can be a glass fiber reinforced plastic tube formed by winding and curing epoxy resin impregnated by glass fiber or aramid fiber or a hollow pultrusion tube formed by pultrusion; the insulating core rod can be a solid core rod formed by winding and curing glass fiber or aramid fiber impregnated epoxy resin or a pultrusion core rod formed by pultrusion, and the rubber shed can be made of high-temperature vulcanized silicone rubber or other rubber materials. In other embodiments, the cross beam 121 and the first supporting portion 1111 may also be made of other composite insulating materials, and are not limited herein.

In order to ensure the electrical insulation distance between the wire 200 connected to the connection point of the beam 121 and the first support 1111 and the second support 1112, as shown in fig. 1, the power transformation frame 100 further includes a first support insulator 141, one end of the first support insulator 141 is connected to the support 111, and the other end is a free end, and the free end of the first support insulator 141 is used for supporting the wire 200 connected to the connection point of the first support 1111 and the beam 121. Preferably, the first support insulator 141 is horizontally arranged or the free end of the first support insulator 141 is higher than the first end of the first support insulator 141.

Specifically, as shown in fig. 1 and 3, the end of the first support insulator 141 connected to the support column 112 is provided with a second end fitting 190, and the second end fitting 190 includes a second sleeve 191 and a second plate 192. The second sleeve 191 is fixed to the end of the first support insulator 141 in a sleeved manner, a U-shaped groove matched with the end of the second sleeve 191 is formed in one end of the second flat plate 192, the second flat plate 192 is fixed to the end of the second sleeve 191 through the U-shaped groove in a clamped manner, the second flat plate 192 and the second sleeve 191 are fixed in a welded manner, or the second flat plate 192 and the second sleeve 191 are integrally formed, which is not limited herein. The second end fitting 190 of the first support insulator 141 at the end connected to the support column 112 is connected to the support column 112 by a fastener.

Further, as shown in fig. 3, since the second support part 1112 of the metal material has higher strength and bearing force than the first support part 1111 of the composite insulating material, the first support insulator 141 may be connected to a connection point of the first support part 1111 and the second support part 1112, a third connection plate 193 is provided at a connection point of the first support part 1111 and the second support part 1112, and the second end fitting 190 is connected to the third connection plate 193 by a fastener. Thereby making full use of the height and strength of the second support 1112 and facilitating the connection of the first support insulator 141 to the support column 111.

As shown in fig. 1, the power transformation frame 100 further includes a second tension insulator 151, one end of the second tension insulator 151 is disposed on the support column 111, the other end is a free end, the free end of the second tension insulator 151 is used as a wire hanging point, in an embodiment, since the first support portion 1111 is made of a composite insulating material, the second support portion 1112 is made of a metal material, the second support portion 1112 made of a metal material has higher strength and bearing capacity than the first support portion 1111 made of a composite insulating material, and the second tension insulator 151 can be connected to a connection portion of the first support portion 1111 and the second support portion 1112, so that the height and strength of the second support portion 1112 can be fully utilized, and the second tension insulator 151 can be conveniently connected to the support column 111. Preferably, the second tension insulator 151 is horizontally connected to the support column 111.

Specifically, as shown in fig. 3, one end of the second strain insulator 151 is connected to a fourth right-angle suspension loop set 1511, a fourth connection plate 1512 is disposed at a connection position of the first supporting portion 1111 and the second supporting portion 1112, and the fourth right-angle suspension loop set 1511 is connected to the fourth connection plate 1512.

In other embodiments, the second strain insulator may be disposed on the second support portion or the first support portion.

Of course, if the length of the first support portion 1111 is long, the first support portion 1111 may also be directly provided with a wire hanging point, and the electrical insulation distance is satisfied only by the distance between adjacent wire hanging points being greater than a first predetermined value; the distance between the wire hanging point and the second supporting portion 1112 also satisfies the electrical insulation distance.

In yet another embodiment, as shown in fig. 7, the power transformation framework 100 further includes a second beam 160, the second beam 160 is erected between two adjacent support columns 111, and the second beam 160 is located below the beam 121. The second cross beam 160 is made of a metal material, the power transformation frame 100 further includes a third tension insulator 152, one end of the third tension insulator 152 is connected to the second cross beam 160, the other end is a free end, and the free end of the third tension insulator 152 is used as a wire hanging point. Therefore, under the condition that the length of the cross beam 121 is not changed, a phase wire 200 can be arranged between two adjacent supporting columns 111, so that the phase number of the connected wires 200 can be expanded, the use of the cross beam 121 and the supporting columns 111 is reduced, the use amount of steel and base materials is reduced, and the construction cost is reduced; and the space can be fully utilized, the transverse space of the power transformation framework 100 is compressed, and the purpose of reducing the occupied area of the transformer substation land is achieved. Preferably, the third strain insulator 152 is horizontally connected to the support column 111.

In one embodiment, as shown in fig. 7 and 8, the second beam 160 is connected to a second flange 162 at each end, the support column 111 is provided with a fixing plate 163, and the second flange 162 is fixed to the fixing plate 163 through a fastener. In this embodiment, the second beam 160 includes at least two sub-beams 161, for example, two, three or more, two adjacent sub-beams 161 are connected by a flange, the power transformation framework 100 includes a second suspension plate 164, the second suspension plate 164 is disposed at the flange between two adjacent sub-beams 161, and the second suspension plate 164 is provided with a reserved hole. One end of the third tension insulator 152 is connected with a fifth right-angle suspension loop set 1521, and the fifth right-angle suspension loop set 1521 is connected to the reserved hole at the second suspension plate 164. In other embodiments, the second beam may further include only one sub-beam, two ends of the sub-beam are respectively connected to the two adjacent support columns, an anchor ear is arranged in the middle of the sub-beam, and an integrally formed wire hanging plate is arranged on the anchor ear.

In an embodiment, as shown in fig. 1, the second side supporting pillar 1122 is made of a metal material, and a lightning rod (not shown) is disposed on the top of the second side supporting pillar 1122, so that the lightning rod is grounded through the second side supporting pillar 1122, and the lightning rod can be supported by the supporting pillar 111 made of the metal material, which can save steel and reduce cost compared to a case where the lightning rod is independently disposed on the ground.

Further, as shown in fig. 1 and fig. 2, one end of the fourth tension insulator 153 is disposed on the second side supporting column 1122, and the other end is a free end, and the free end of the fourth tension insulator 153 can be used as a wire hanging point. Specifically, the fourth tension insulator 153 may be connected to the connection between the second side support column 1122 and the cross beam 121, or the fourth tension insulator 153 may be directly connected to the side support column 112. Preferably, the fourth strain insulator 153 is horizontally connected to the side support column 112.

Specifically, as shown in fig. 2, one end of the fourth tension insulator 153 is connected to a sixth right-angle suspension ring set 1531, and the sixth right-angle suspension ring set 1531 is connected to the flange assembly 114.

In another embodiment, one of the middle support columns located between the two lateral support columns is made of a metal material, and the top of the middle support column made of the metal material is provided with the lightning rod, so that the lightning rod is directly grounded through the middle support column, and the lightning rod can be supported through the middle support column made of the metal material.

Specifically, because one of them middle support column is metal material, and the top is provided with the lightning rod, can only set up a hanging wire point on this middle support column, and two avris support columns that are located both sides can all include composite insulation's first supporting part to two avris support columns can all set up three hanging wire point.

In another embodiment, all the supporting columns include a first supporting portion and a second supporting portion connected to each other, the first supporting portion is located between the cross beam and the second supporting portion, and the first supporting portion is made of composite insulating material, and the second supporting portion is made of metal material. The lightning rod can also be arranged on the beam component or on the top of any supporting column, and the lightning rod is connected to the second supporting part through a jumper wire to realize grounding.

When the lightning rod is disposed on the power transformation frame 100 and grounded, the power transformation frame 100 may further include a second supporting insulator (not shown), the second supporting insulator is disposed on the beam assembly 120, and an end of the second supporting insulator far away from the beam assembly 120 is used for disposing a ground wire, and the ground wire is connected to the lightning rod to realize grounding.

It should be noted that, if all support columns include the first support portion and the second support portion that are connected to each other, the first support portion is located between the cross beam and the second support portion, the first support portion is made of a composite insulating material, and when the second support portion is made of a metal material, the power transformation framework may further include a third support insulator, the third support insulator is disposed on the cross beam assembly, one end of the third support insulator, which is away from the cross beam assembly, is used for setting a ground wire, and the ground wire is directly grounded through a ground down lead or is connected to the ground of the second support portion through a ground down lead.

In a traditional power transformation framework, leads are transversely and sequentially arranged, so that the transverse land occupation is large. In an embodiment, as shown in fig. 1 and fig. 6, the single-layer power transformation frame 100 may implement double-layer wiring, that is, the beam 121 and the support column 111 may both have a wire hanging point, the wire hanging point at the connection between the beam 121 and the support column 111 is located at an upper layer, and the wire hanging point on the support column 111 is located at a lower layer. The gas insulated substation further comprises ground equipment 17, each phase conductor 200 corresponds to one set of ground equipment 17, and the ground equipment 17 is arranged below the power transformation framework 100 or on the ground around the power transformation framework 100. The ground equipment 17 includes a gas insulated transmission pipe 170, and the gas insulated transmission pipe 170 is disposed under the transformation frame 100 and corresponds to the hanging points one by one to receive the wires 200 hung at the corresponding hanging points. Specifically, the hanging points of the three-phase wires 200 in the same loop of the ground equipment are arranged according to a triangular layout, and meanwhile, the gas-insulated power transmission pipes 170 are arranged in a triangular shape, so that the wires 200 are directly connected with the ground equipment 17 below or around the wires from the power transformation framework 100, the space can be fully utilized, the transverse space of the power transformation framework 100 is compressed, and the purpose of reducing the occupied area of the transformer substation land is achieved.

As shown in fig. 1 and 6, the two sides of the power transformation frame 100 are divided into a first side 101 and a second side 102 along a plane in which the axis of the beam assembly 120 and the axis of the support assembly 110 lie. The wires 200 are led from the first side 101 through the power transformation framework 100 into the corresponding ground equipment 17, in particular the wires 200 lead from the first side 101 to the power transformation framework 100, or the wires 200 are led out through the power transformation framework 100 towards the first side 101.

As shown in fig. 1, the side hanging wire assemblies 131 are disposed on the first side supporting column 1121 and the second side supporting column 1122, and both side hanging wire assemblies 131 are located on the side of the corresponding side supporting column 112 away from the cross beam 121. As shown in fig. 1 and fig. 2, the second side supporting column 1122 is made of a metal material, two wire hanging points are arranged on the second side supporting column 1122, one wire hanging point is located on the side wire hanging assembly 131, and the ground device 17 corresponding to the wire hanging point can be located on a side of the second side supporting column 1122 away from the beam 121; or the ground equipment 17 corresponding to the hang-off point is located on the second side 102. The ground equipment 17 corresponding to the wire 200 hooked on the wire hanging point of the side wire hanging assembly 131 is disposed on one side of the second side supporting column 1122 away from the cross beam 121.

The fourth tension insulator 153 is disposed on the second side support column 1122, a free end of the fourth tension insulator 153 may be used as another wire hanging point, the ground device 17 corresponding to the wire hanging point is located on the first side 101, and preferably, a connecting line between the wire hanging point and the second side support column 1122 is perpendicular to the cross beam 121. The wire 200 hooked by the free end of the fourth tension insulator 153 is located on the first side 101.

As shown in fig. 1, the first side support post 1121 includes a first support portion 1111 made of a composite insulating material and a second support portion 1112 made of a metal material. The first side supporting pillar 1121 is provided with three wire hanging points, wherein a first wire hanging point is located on the side wire hanging component 131, and the ground device 17 corresponding to the wire hanging point is located on a side of the side supporting pillar 112 away from the cross beam 121. The ground devices 17 corresponding to the wires 200 hooked on the wire hanging points of the side wire hanging assembly 131 are respectively disposed on the sides of the first side support columns 1121 that are away from the cross beam 121.

As shown in fig. 1, a second wire hanging point is disposed at the connection position of the first side support post 1121 and the beam 121, the first support insulator 141 is connected to the first side support post 1121 and is located at the second side 102, the free end of the first support insulator 141 is used for supporting the wire 200 hung at the wire hanging point at the connection position of the first support 1111 and the beam 121, the ground equipment 17 corresponding to the second wire hanging point is located at the second side 102, and preferably, the connection line between the wire hanging point and the first side support post 1121 is perpendicular to the beam 121. Referring to fig. 7, the lead 200 is connected to the flange assembly 141 at the connection point of the first support 1111 and the beam 121 by the first side 101, and is connected to the free end of the first support insulator 141 of the second side 102 by the flange assembly 141, and the connection points of the lead 200 connected to the first side 101 and the second side 102 on the flange assembly 141 are communicated by the jumper assembly 1142.

As shown in fig. 1, the third hanging point is disposed at the free end of the second tension insulator 151, the second tension insulator 151 can be connected to the connection between the first supporting portion 1111 and the second supporting portion 1112, and the second tension insulator 151 is located at the first side 101. A ground device 17 corresponding to a third wire hanging point is located on the first side 101, and a connecting line between the wire hanging point and the first side support pillar 1121 is preferably perpendicular to the beam 121. The wire 200 hooked by the free end of the second tension insulator 151 is located on the first side 101.

Further, as shown in fig. 1 and 2, the first side supporting column 1121 includes two main supporting columns 1113, the two main supporting columns 1113 are respectively located at the first side 101 and the second side 102, the first supporting insulator 141 is connected to the main supporting column 1113 located at the second side 102, and the second tension insulator 151 is connected to the main supporting column 1113 located at the first side 101.

The intermediate support post 115 includes a first support portion 1111 of a composite insulating material and a second support portion 1112 of a metal material. Two wire hanging points are arranged on the middle support column 115. The first wire hanging point is arranged at the joint of the middle support column 115 and the cross beam 121, the first support insulator 141 is connected to the middle support column 115 and is located on the second side 102, the free end of the first support insulator 141 is used for supporting the wire 200 hung at the wire hanging point at the joint of the first support 1111 and the cross beam 121, the ground equipment 17 corresponding to the first wire hanging point is located on the second side 102, and preferably, the connecting line between the wire hanging point and the middle support column 115 is perpendicular to the cross beam 121. The lead 200 is connected to the flange assembly 114 at the joint of the first support 1111 and the beam 121 by the first side 101, and is connected to the free end of the first support insulator 141 of the second side 102 by the flange assembly 114, and the lead 200 connection points of the first side 101 and the second side 102 on the flange assembly 114 are communicated through the jumper assembly.

As shown in fig. 1, the second wire hanging point on the middle supporting pillar 115 is disposed at the free end of the second tension insulator 151, the second tension insulator 151 can be connected to the joint of the first supporting portion 1111 and the second supporting portion 1112, and the second tension insulator 151 is located on the first side 101. A second wire-hanging point, corresponding to the ground equipment 17, is located on the first side 101, preferably perpendicular to the cross beam 121 from the line between the wire-hanging point and the central support column 115.

Further, the middle support column 115 includes two main support columns 1113, the two main support columns 1113 are respectively located on the first side 101 and the second side 102, the first support insulator 141 is connected to the main support column 1113 located on the second side 102, and the second tension insulator 151 is connected to the main support column 1113 located on the first side 101.

In one embodiment, as shown in fig. 1, the position on the beam 121 between the two support columns 111 can be directly used as a hanging line point, and the ground device 17 corresponding to the hanging line point is located below the beam 121. The ground equipment 17 corresponding to the wire 200 hooked on the wire hanging point between the two supporting columns 111 on the beam 121 is arranged at or around the ground projection of the wire hanging point.

In another embodiment, as shown in fig. 1 and 7, the power transformation frame 100 further includes a second beam 160 and a third tension insulator 152, one end of the third tension insulator 152 is connected to the second beam 160, the other end is a free end, the free end of the third tension insulator 152 is used as a wire hanging point, and the ground equipment 17 corresponding to the wire hanging point is located on the first side 101. The wire 200 hooked by the free end of the third tension insulator 152 is located on the first side 101.

At this time, the ground equipment 17 corresponding to the wire 200 hooked on the cross beam 121 at the position between the two supporting columns 111 is located on the second side 102, and preferably, a line connecting the line hanging point of the third strain insulator 152 and the ground equipment 17 corresponding to the line hanging point is perpendicular to the cross beam 121.

The ground equipment 17 further includes arresters 171, the arresters 171 are disposed on the ground under the power transformation frame 100 or around the power transformation frame 100, the arresters 171 are disposed in one-to-one correspondence with the gas-insulated power transmission pipes 170, and each of the arresters 171 is electrically connected to the lead 200 received by its corresponding gas-insulated power transmission pipe 170 to discharge overvoltage energy.

The arrester 171 and the gas insulated power transmission pipe 170 are provided with a grading ring 1313, and the grading ring 1313 uniformly distributes high voltage around, so that no potential difference exists between the annular parts, and a grading effect is achieved.

In one embodiment, the power transformation architecture 100 is a dual-loop architecture, with six wire hanging points.

Specifically, as shown in fig. 9, the power transformation frame 100 may include two support columns 111, namely, the first side support column 1121 and the second side support column 1122, three wire hanging points are provided on the first side support column 1121, two wire hanging points are provided on the second side support column 1122, the beam 121 is spanned between the first side support column 1121 and the second side support column 1122, and one wire hanging point is provided on the beam 121 at a position between the first side support column 1121 and the second side support column 1122.

Alternatively, the power transformation framework 100 may include two support posts 111, the second side support posts 1122 and the middle support post 115, respectively, as described above. Two hanging points are respectively arranged on the second side supporting column 1122 and the middle supporting column 115. The cross beam 121 and the second cross beam 160 are erected between the second side supporting column 1122 and the middle supporting column 115, a wire hanging point is arranged at a position, located between the second side supporting column 1122 and the middle supporting column 115, on the cross beam 121, and a wire hanging point is arranged on the second cross beam 160 through the third tension insulator 152.

In one embodiment, the power transformation architecture 100 is a four-loop architecture, with twelve wire hanging points.

Specifically, as shown in fig. 1, the power transformation structure 100 may include four supporting columns 111, namely, the first side supporting column 1121, the second side supporting column 1122, and two middle supporting columns 115, wherein three hanging points are disposed on the first side supporting column 1121, two hanging points are disposed on the second side supporting column 1122, and two hanging points are disposed on each middle supporting column 115. The beam 121 is erected between every two adjacent supporting columns 111, and a wire hanging point is arranged on the beam 121 and located between the two adjacent supporting columns 111.

In one embodiment, the power transformation architecture 100 is a five-loop architecture, for a total of fifteen wire hanging points.

Specifically, as shown in fig. 7, the power transformation frame 100 may include four supporting columns 111, namely, the first side supporting column 1121, the second side supporting column 1122, and two middle supporting columns 115, wherein three wire hanging points are disposed on the first side supporting column 1121, two wire hanging points are disposed on the second side supporting column 1122, and two wire hanging points are disposed on the middle supporting column 115. The beam 121 and the second beam 160 are erected between every two adjacent support columns 111, a wire hanging point is arranged on the beam 121 between the two adjacent support columns 111, and a wire hanging point is arranged on the second beam 160 through the third tension insulator 152.

In one embodiment, the power transformation architecture 100 is an eight-loop architecture, for a total of twenty-four wire hanging points.

In particular, an eight-loop architecture may include two sets of four-loop architectures arranged side-by-side.

Alternatively, the power transformation frame 100 with the eight-loop frame may include eight supporting pillars 111, which are the first side supporting pillar 1121, the second side supporting pillar 1122, and the six middle supporting pillars 115, wherein three wire hanging points are disposed on the first side supporting pillar 1121, two wire hanging points are disposed on the second side supporting pillar 1122, and two wire hanging points are disposed on the middle supporting pillar 115. The beam 121 is erected between every two adjacent supporting columns 111, and a wire hanging point is arranged on the beam 121 and located between the two adjacent supporting columns 111.

In other embodiments, the power transformation frame 100 with different number of loops may also have other combination arrangement manners, and each of the support columns 111, the cross beam 121, and the second cross beam 160 in this application may be combined according to actual needs, and the wire hanging points are arranged according to the corresponding wire hanging point arrangement manner.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims (11)

1. A power transformation architecture, characterized in that it comprises:

the support assembly comprises at least two support columns which are arranged at intervals, the at least two support columns comprise a first side support column and a second side support column which are positioned at two side edges, and three hanging wire points are arranged on the first side support column;

the beam assembly comprises a beam erected between every two adjacent support columns;

and dividing two sides of the power transformation framework into a first side and a second side along a plane where the axis of the beam assembly and the axis of the support assembly are located.

2. A power transformation architecture as claimed in claim 1, characterized in that it further comprises:

two avris hanging wire subassemblies, two avris hanging wire subassemblies set up respectively in first avris support column with on the second avris support column, and be located respectively first avris support column with the second avris support column deviates from one side of crossbeam, set up the hanging wire point on the avris hanging wire subassembly.

3. A transformation framework as claimed in claim 2, wherein said side wire assembly comprises:

a strut cross arm, one end of which is connected to the first side support column or the second side support column and which extends in a direction away from the cross beam; the other end of the strut cross arm is used for hanging a lead; the pillar cross arm is a metal cross arm, and the lead is connected to the other end of the pillar cross arm through a first strain insulator; or the pillar cross arm is an insulating cross arm, and the other end of the pillar cross arm can be directly used as a wire hanging point.

4. A transformation framework as claimed in claim 3, wherein said side wire assembly further comprises:

the diagonal member, the diagonal member is composite insulation material and is located pillar cross arm top, the one end of diagonal member is connected first avris support column or on the second avris support column, the other end of diagonal member is connected the other end of pillar cross arm.

5. A power transformation framework as claimed in claim 1, wherein said beam is of composite insulating material, and the position of said beam between two of said support columns is directly used as a wire hanging point; the crossbeam includes two at least crossbeam sections, two at least crossbeam sections pass through flange joint, the power transformation framework still includes:

the wire hanging plate is arranged at the flange between two adjacent cross beam sections and is provided with a wire hanging hole for hanging a wire.

6. A power transformation framework as claimed in claim 5, wherein said at least two support columns further comprise an intermediate support column located between said first side support column and said second side support column, said first side support column and said intermediate support column each comprise a first support portion and a second support portion connected to each other, said first support portion is located between said beam and said second support portion, and said first support portion is made of composite insulating material, said second support portion is made of metal material, and the connection between said first support portion and said beam can be directly used as said wire hanging point.

7. A power transformation architecture as claimed in claim 6, characterized in that it further comprises:

the first supporting insulator is located on the second side, one end of the first supporting insulator is connected to the supporting column, the other end of the first supporting insulator is a free end, and the free end of the first supporting insulator is used for supporting the first supporting portion and a wire hung at a wire hanging point of the joint of the cross beam.

8. A power transformation framework as claimed in claim 7, wherein said first support and said beam are connected by a flange assembly, said wires being suspended from said flange assembly, said wires being connected from said first side to said second side by a jumper assembly.

9. A power transformation architecture as claimed in claim 1, characterized in that it further comprises:

and the second strain insulator is positioned on the first side, one end of the second strain insulator is connected to the support column, the other end of the second strain insulator is a free end, and the free end of the second strain insulator is used as the wire hanging point.

10. A power transformation architecture as claimed in claim 5, characterized in that it further comprises:

the second cross beam is erected between two adjacent support columns and is positioned below the cross beam;

and the third strain insulator is positioned on the first side, one end of the third strain insulator is connected to the second cross beam, the other end of the third strain insulator is a free end, and the free end of the third strain insulator is used as a wire hanging point.

11. A transformation framework as claimed in claim 2, wherein said second side support posts are provided with two hanging points, said second side support posts are made of metal material, and said transformation framework further comprises:

and the fourth strain insulator is positioned on the first side, one end of the fourth strain insulator is connected with the second side supporting column and the joint of the cross beam, and the other end of the fourth strain insulator can be used as a wire hanging point for a free end.

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