CN117365178A - Composite distribution line - Google Patents

Abstract

The application discloses compound distribution lines, including the distribution pole that a plurality of set up along compound distribution lines's extending direction interval with hang the wire of establishing on the distribution pole, a plurality of distribution pole includes two at least terminal poles, a plurality of strain insulator pole and a plurality of straight line pole, the terminal pole is located compound distribution lines's tip, straight line pole and strain insulator pole are located compound distribution lines's middle part, the top of terminal pole sets up terminal compound cross arm, the top of strain insulator pole sets up strain insulator compound cross arm, the top of straight line pole sets up the compound cross arm of straight line, the wire hangs along compound distribution lines's extending direction to establish compound cross arm of terminal, strain insulator compound cross arm, form compound distribution lines on the compound cross arm of straight line. The utility model provides a compound distribution line's block terminal all adopts compound cross arm to hang establishes the wire, and lightning protection is horizontal high, need not to install the arrester in addition, and the security is higher, the cost is lower, and compound cross arm is difficult to take place the corrosion, and life is longer.

Description

Composite distribution line

Technical Field

The application relates to the technical field of overhead distribution lines, in particular to a composite distribution line.

Background

Distribution lines refer to lines that carry power from a buck substation to a distribution transformer or to a utility.

The transmission pole of traditional distribution lines is through installing iron cross arm in order to support the wire on cement pole or steel pipe pole, and wherein, iron cross arm has following defect: the lightning protection level is low, the iron cross arm is required to be shielded in the live working process, and the cost is high; the tripping is easy to be caused by lightning, bird damage and other factors, so that the electric power accident is caused; rust easily occurs, and the service life of the cross arm is reduced.

Disclosure of Invention

To the not enough of prior art, the aim at of this application provides a compound distribution line, and whole lightning protection is horizontal high, and the security is higher, the cost is lower, and compound cross arm is difficult to take place the corrosion, and life is longer.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a compound distribution lines, including the distribution pole that a plurality of set up along compound distribution lines's extending direction interval and hang the wire of establishing on the distribution pole, a plurality of distribution pole includes two at least terminal poles, a plurality of strain insulator pole and a plurality of straight line pole, the terminal pole is located compound distribution lines's tip, straight line pole and strain insulator pole are located compound distribution lines's middle part, the top of terminal pole sets up terminal compound cross arm, the top of strain insulator pole sets up strain insulator compound cross arm, the top of straight line pole sets up the compound cross arm of straight line, the wire hangs along compound distribution lines's extending direction to establish compound distribution lines at terminal compound cross arm, strain insulator compound cross arm, form compound distribution lines on the compound cross arm of straight line.

The rod bodies of the terminal rod, the linear rod and the tension rod are all integrally formed by adopting fiber reinforced composite materials through a winding process.

The transformer is characterized in that a plurality of transformer area composite cross arms and transformer composite cross arms are arranged on at least one terminal rod at intervals in parallel, the transformer area composite cross arms are located between the terminal composite cross arms and the transformer composite cross arms, the transformer area composite cross arms are used for installing down-lead cross arms or disconnecting link switches or fuses or lightning arresters, and the transformer composite cross arms are used for installing transformers.

At least one terminal rod is arranged adjacent to one linear rod, and the transformer composite cross arm and the plurality of transformer area composite cross arms are arranged at the middle parts of the terminal rod and the linear rods adjacent to the terminal rod in a crossing mode.

The composite cross arms in the plurality of areas are respectively used for sequentially installing the down-lead cross arms, the fuses and the lightning arresters from top to bottom, and the wires are downwards sequentially connected with the down-lead cross arms, the fuses, the lightning arresters and the transformers from the top of the composite cross arms in the terminal.

Among the plurality of district composite cross arms, at least one district composite cross arm is used for installing a disconnecting link switch, the disconnecting link switch is positioned between the down-lead cross arm and the fuse, and the lead is sequentially connected with the down-lead cross arm, the disconnecting link switch, the fuse, the lightning arrester and the transformer.

In one section of the composite distribution line, at least one linear rod is arranged between two adjacent tension rods.

In one section of the composite distribution line, at least one tension rod is arranged at an included angle along the wires at two sides of the extension direction of the composite distribution line.

Wherein, terminal compound cross arm includes: a first terminal cross arm; the two second terminal cross arms are respectively connected with two ends of the first terminal cross arm at one end, the other ends of the second terminal cross arms are used for connecting wire clamps, and the length direction of the second terminal cross arms and the length direction of the first terminal cross arms are positioned in the same horizontal plane and are mutually perpendicular; the middle part of the first terminal cross arm is connected with the terminal connecting fitting; the third terminal cross arm, terminal link fitting is connected to the one end of third terminal cross arm, and the other end of third terminal cross arm is used for connecting the fastener, and the length direction of third terminal cross arm sets up along vertical direction.

Wherein, the compound cross arm of straight line includes: the first straight-line cross arm and the second straight-line cross arm, the second straight-line cross arm is connected in the middle part top of first straight-line cross arm, and the length direction of second straight-line cross arm sets up along vertical direction.

Wherein, the compound cross arm of platform district includes: a first land core rod; the two first platform region end fittings are respectively connected with two ends of the first platform region core rod and are respectively used for connecting rod bodies; the middle hardware fitting of at least one first area is connected to the middle part of the core rod of the first area; the first zone insulating layer covers at least part of the outer peripheral surface of the first zone core rod.

Wherein, the compound cross arm of platform district includes: a second zone mandrel; the platform region connecting hardware fitting is connected to the middle part of the second platform region core rod and used for connecting the rod body; the two second platform region end fittings are respectively connected with two ends of the second platform region core rod; the second zone middle hardware fitting is connected to the middle of the second zone core rod, and is positioned between the zone connecting hardware fitting and the second zone end hardware fitting; and the second zone insulating layer covers at least part of the peripheral surface of the second zone core rod.

Wherein, strain composite cross arm includes: a first tension cross arm; the middle parts of the two second tension-resistant cross arms are respectively connected with two ends of the first tension-resistant cross arm, the two ends of the second tension-resistant cross arm are used for connecting wire clamps, and the length direction of the second tension-resistant cross arm and the length direction of the first tension-resistant cross arm are positioned in the same horizontal plane and are mutually perpendicular; the middle part of the first tension-resistant cross arm is connected with the tension-resistant connecting fitting; one end of each of the two tension insulators is connected to two sides of the tension connecting fitting, the other end of each of the two tension insulators is used for connecting the wire clamps, and the length direction of each of the two tension insulators is parallel to the length direction of the second tension cross arm; the third strain insulator cross arm, the strain insulator link fitting is connected to the one end of third strain insulator cross arm, and the other end of third strain insulator cross arm is used for hanging establishes the wire, and the length direction of third strain insulator cross arm sets up along vertical direction.

The beneficial effects of this application are: the utility model provides a be different from prior art's condition, compound distribution line's of this application distribution pole all adopts compound cross arm to hang the line, and compound cross arm simple structure, intensity are reliable, and lightning protection is horizontal high, need not to additionally install the arrester, and the security is higher, the cost is lower, and is difficult to take place the corrosion, and life is longer.

Meanwhile, the insulating layer of the composite cross arm adopts high-temperature vulcanized silicone rubber, so that the composite cross arm has good ageing resistance and hydrophobic migration, the probability of pollution flashover and rain flashover can be reduced, and the electrical safety of the composite cross arm is improved.

In addition, the rod bodies of the distribution rods are all made of fiber reinforced composite materials, so that the distribution rods are light in weight, high in strength and good in toughness, can greatly reduce the installation and transportation cost, effectively avoid rod falling accidents, and are excellent in corrosion resistance and electrical insulation performance, wider in application range and higher in safety.

Drawings

Fig. 1 is a schematic structural view of a composite distribution line 1 according to an embodiment of the present application;

fig. 2 is a schematic structural view of a terminal composite cross arm 100 according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a terminal connection fitting 130 according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a tension composite cross arm 200 according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a straight composite cross arm 300 according to an embodiment of the present application;

fig. 6 is a schematic structural view of a composite cross arm 400 of a platform according to an embodiment of the present application;

fig. 7 is a schematic structural view of a first cross arm 510 according to an embodiment of the present application;

fig. 8 is a schematic structural view of a down conductor cross arm 600 according to an embodiment of the present application;

fig. 9 is a schematic structural view of a composite cross arm 1100 for a platform according to another embodiment of the present application.

Detailed Description

As required, specific embodiments of the present application will be disclosed herein. However, it is to be understood that the embodiments disclosed herein are merely exemplary of the application, which may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately manner, including employing the various features disclosed herein in combination with features that may not be explicitly disclosed.

The term "coupled" as used herein, unless explicitly stated or defined otherwise, is to be taken in a broad sense as being either directly coupled or coupled via an intervening medium. In the description of the present application, it should be understood that the directions or positional relationships indicated by "upper", "lower", "end", "one end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In an electric power system, a distribution line is an electric power line for distributing electric energy and is generally composed of a plurality of terminal rods, a plurality of linear rods, a plurality of tension rods and wires hung on the electric rods, wherein the terminal rods are towers used for bearing the tension of the wires at one ends of the line, namely, cross arms arranged on the terminal rods are only hung on the wires at one side and bear the tension of the wires at the one side; the linear rod is a tower for supporting the wires in the middle of the line, and the linear rod is used for supporting the wires by arranging an insulator on the cross arm or directly through the wire hanging hardware fitting, namely, the linear rod is generally only subjected to the gravity of the insulator, the hardware fitting, the wires and other structures and the wind power in the horizontal direction, and is not subjected to the tension of the wires in the line direction; the tension rod is a tower for sectioning a circuit in the middle of a circuit to control the reversing rod and the wire breaking range, and is hung with wires by arranging tension insulators and tension clamps on the cross arm, so that the tension rod can bear the tension of the wires at two sides besides the gravity of the insulator, the hardware fitting, the wires and other structures and the wind force in the horizontal direction.

As shown in fig. 1, the application provides a composite distribution line 1 (only part of line structure is shown in the figure), including a plurality of distribution pole that sets up along the extending direction interval of composite distribution line 1 and hang the wire of establishing on the distribution pole, a plurality of distribution pole includes two at least terminal poles 10, a plurality of strain insulator-pole 20 and a plurality of straight line pole 30, terminal pole 10 is located the tip of composite distribution line 1, straight line pole 30 and strain insulator-pole 20 are located the middle part of composite distribution line 1, the top of terminal pole 10 sets up terminal composite cross arm 100, the top of strain insulator-pole 20 sets up strain insulator-composite cross arm 200, the top of straight line pole 30 sets up straight line composite cross arm 300, the wire hangs to establish at terminal composite cross arm 100, strain insulator-composite cross arm 200, form composite distribution line 1 on straight line composite cross arm 300 along the extending direction of composite distribution line 1.

The utility model provides a compound distribution line 1's block terminal all adopts compound cross arm to hang and establishes the wire, simple structure, intensity are reliable, and compare in traditional iron cross arm, and the outer insulation of compound cross arm can provide sufficient dry arc distance, and lightning protection is horizontal high, need not to install the arrester additional, and the security is higher, the cost is lower, and compound cross arm also is difficult to take place the corrosion in the operation in-process, and life is longer.

It should be noted that, unless otherwise specified, the middle part written in the present application refers to a position between two ends, and is not a central position in a strict sense.

It can be understood that when the composite distribution line 1 includes only a main line, the plurality of distribution bars include two terminal bars 10, a plurality of tension bars 20, and a plurality of linear bars 30, the two terminal bars 10 are respectively located at two ends of the main line, and the plurality of tension bars 20 and the plurality of linear bars 30 are located at intermediate positions of the main line; when the composite distribution line 1 includes a main line and a plurality of branch lines, the plurality of branch lines are respectively branched from a plurality of positions in the middle of the main line to two sides of the extending direction of the main line, and the plurality of distribution bars include a plurality of terminal bars 10, a plurality of tension bars 20 and a plurality of linear bars 30, wherein two terminal bars 10 are respectively located at two ends of the main line, the rest of terminal bars 10 are respectively located at ends of the plurality of branch lines, and the plurality of tension bars 20 and the plurality of linear bars 30 are located at intermediate positions of the main line and the plurality of branch lines. When the composite distribution line 1 includes more branch lines, the specific arrangement of the plurality of distribution poles and so on will not be described in detail.

As shown in connection with fig. 1 and 2, the terminal pole 10 includes a pole body, a terminal anchor ear and a terminal composite cross arm 100, and the terminal composite cross arm 100 is connected to the top of the pole body through the terminal anchor ear.

The terminal composite cross arm 100 comprises a first terminal cross arm 110, two second terminal cross arms 120, a terminal connecting fitting 130 and a third terminal cross arm 140, wherein one ends of the two second terminal cross arms 120 are respectively connected with two ends of the first terminal cross arm 110, the other ends of the second terminal cross arms 120 are used for connecting terminal clamps, and the length direction of the second terminal cross arms 120 and the length direction of the first terminal cross arms 110 are positioned in the same horizontal plane and are mutually perpendicular; the middle part of the first terminal cross arm 110 is connected with a terminal connecting fitting 130; one end of the third terminal cross arm 140 is connected with the terminal connecting fitting 130, the other end of the third terminal cross arm 140 is used for being connected with a terminal wire clamp, and the length direction of the third terminal cross arm 140 is arranged along the vertical direction.

The first terminal cross arm 110 includes a first terminal core rod 111 (the reference numerals are only shown), a terminal middle fitting 112, two terminal end fittings 113, and a first terminal insulating layer 114. The terminal middle fitting 112 is connected with the terminal connecting fitting 130 and the middle part of the first terminal mandrel 111, and is used for connecting the middle part of the first terminal cross arm 110 with the terminal connecting fitting 130; one end of the two terminal end fittings 113 is connected with two ends of the first terminal core rod 111, and the other ends of the two terminal end fittings 113 are respectively used for connecting the second terminal cross arm 120; the first termination insulating layer 114 covers at least a part of the outer peripheral surface of the first termination plug 111.

The terminal middle fitting 112 includes a terminal middle sleeve and a terminal middle connecting member, the terminal middle sleeve is sleeved in the middle of the first terminal mandrel 111, and the terminal middle connecting member is used for being connected with the terminal connecting fitting 130, so that the first terminal cross arm 110 is connected to the terminal connecting fitting 130. The T-shaped groove is formed in the bottom of the terminal middle connecting piece, the T-shaped groove is matched with the square head bolt to be used for connecting the terminal middle connecting piece and the terminal connecting fitting 130, namely, punching on the terminal middle sleeve and the first terminal core rod 111 is not needed to be connected, the punching is avoided, the mechanical property of the first terminal core rod 111 is affected, and further potential safety hazards of electric power are avoided.

The second terminal cross arm 120 includes a second terminal core rod 121 (labeled only schematically), a terminal connection 122, a terminal clip connection 123, and a second terminal insulating layer 124. The terminal connecting part 122 and the terminal wire clamp connecting part 123 are respectively connected with two ends of the second terminal mandrel 121, wherein the terminal connecting part 122 is used for connecting the terminal end fitting 113, so that the second terminal cross arm 120 and the first terminal cross arm 110 are assembled, and the terminal wire clamp connecting part 123 is used for connecting a terminal wire clamp to hang wires; the second termination insulating layer 124 covers at least a part of the outer peripheral surface of the second termination plug 121.

As shown in fig. 3, the terminal connection fitting 130 includes a terminal hoop connection part 131, a terminal horizontal connection part 132 and a terminal top connection part 133, which are sequentially connected, the terminal hoop connection part 131 is used to cooperate with the terminal hoop to fix the terminal composite cross arm 100 on the rod body of the terminal rod 10, the terminal horizontal connection part 132 is used to connect the first terminal cross arm 110, and the terminal top connection part 133 is used to connect the third terminal cross arm 140. The terminal connection fitting 130 is convenient for assembling the first terminal cross arm 110 and the third terminal cross arm 140, and is convenient for connecting the whole terminal composite cross arm 100 with the rod body of the terminal rod 10.

The terminal hoop connecting portion 131 comprises a vertical connecting plate 1311 and a concave block 1312, wherein a connecting hole is formed in the vertical connecting plate 1311 and is used for connecting a rod body of the terminal rod 10, the concave block 1312 which is arc-shaped concave towards the rod body direction is arranged on the side face of the vertical connecting plate 1311, and the concave block 1312 can semi-surround the rod body to increase the contact area of the vertical connecting plate 1311 and the concave block 1312, so that the installation is firm.

The terminal horizontal connecting portion 132 is vertically connected to the top of the terminal hoop connecting portion 131 along the horizontal direction, the terminal horizontal connecting portion 132 includes a horizontal connecting plate 1321, the horizontal connecting plate 1321 extends vertically outwards from the top of the vertical connecting plate 1311 of the terminal hoop connecting portion 131, and a connecting hole is formed in the horizontal connecting plate 1321 so as to be connected with the terminal middle fitting 112 through the square head bolt, and then the first terminal cross arm 110 is fixed on the horizontal connecting plate 1321.

The terminal top connection part 133 includes an L-shaped plate 1331, the L-shaped plate 1331 includes a horizontal plate and a vertical plate connected to each other vertically, the vertical plate is disposed along a vertical direction, and a middle portion of the vertical plate is connected to the horizontal connection plate 1321 vertically, the horizontal plate is disposed along a horizontal direction, and the horizontal plate extends perpendicularly outward from a top of the vertical plate, the extending direction is the same as that of the horizontal connection plate 1321 extending outward from a top of the vertical connection plate 1311, so that the horizontal plate of the L-shaped plate 1331 is located above a side of the horizontal connection plate 1321, and the third terminal cross arm 140 can be connected to the horizontal plate, so that when the first terminal cross arm 110 is fixed on the horizontal connection plate 1321 and the third terminal cross arm 140 is fixed on the horizontal plate, the third terminal cross arm 140 is located above a side of the first terminal cross arm 110.

The terminal connection fitting 130 may be provided with a plurality of reinforcing ribs, for example, the terminal hoop connection portion 131 may be provided with a reinforcing rib, that is, a reinforcing rib is provided between two concave blocks 1312, so that the reinforcing rib is simultaneously connected with the two concave blocks 1312, thereby improving the strength of the terminal hoop connection portion 131; reinforcing ribs can be arranged on the terminal top connecting part 133, namely, the reinforcing ribs can be arranged between the two plates of the L-shaped plate 1331, so that the reinforcing ribs are simultaneously connected with the horizontal plate and the vertical plate, and the strength of the L-shaped plate 1331 is improved; reinforcing ribs can also be arranged between the terminal hoop connecting part 131, the terminal horizontal connecting part 132 and the terminal top connecting part 133, namely, the reinforcing ribs are simultaneously connected with the vertical connecting plate 1311 of the terminal hoop connecting part 131, the horizontal connecting plate 1321 of the terminal horizontal connecting part 132 and the vertical plate of the terminal top connecting part 133 so as to improve the overall strength of the terminal connecting fitting 130.

The terminal connecting fitting 130 may be an integral part or an assembly, that is, the components such as the terminal hoop connecting portion 131, the terminal horizontal connecting portion 132, and the terminal top connecting portion 133 of the terminal connecting fitting 130 may be separately formed and then connected by means of welding or the like, or the terminal connecting fitting 130 may also be integrally formed by means of casting or the like, which is not particularly limited in this application.

The third terminal cross arm 140 includes a third terminal core rod 141 and a terminal bottom connection 142, a terminal top connection 143, and a third terminal insulating layer 144. The terminal bottom connecting part 142 and the terminal top connecting part 143 are arranged at two ends of the third terminal mandrel 141, wherein the terminal bottom connecting part 142 is used for being connected with the terminal connecting fitting 130, so that the third terminal cross arm 140 and the first terminal cross arm 110 are assembled, and the terminal top connecting part 143 is used for connecting a terminal wire clamp to hang wires; the third terminating insulating layer 144 covers at least a part of the outer circumferential surface of the third terminating mandrel 141.

As shown in fig. 1 and 4, the tension rod 20 includes a rod body and a tension composite cross arm 200, and the tension composite cross arm 200 is connected to the top of the rod body.

The tension composite cross arm 200 includes a first tension cross arm 210, two second tension cross arms 220, a tension link fitting 230, two tension insulators 240, and a third tension cross arm 250. The middle parts of the two second tension-resistant cross arms 220 are respectively connected with two ends of the first tension-resistant cross arm 210, the two ends of the second tension-resistant cross arm 220 are used for being connected with a tension-resistant wire clamp, and the length direction of the second tension-resistant cross arm 220 and the length direction of the first tension-resistant cross arm 210 are positioned in the same horizontal plane and are mutually perpendicular; the middle part of the first tension cross arm 210 is connected with a tension connecting fitting 230; one end of each of the two tension insulators 240 is connected to two sides of the tension connecting fitting 230, the other end of each of the tension insulators 240 is used for connecting a tension clamp, and the length direction of each of the tension insulators 240 is parallel to the length direction of the second tension cross arm 220; one end of the third tension-resistant cross arm 250 is connected with the tension-resistant connecting fitting 230, the other end of the third tension-resistant cross arm 250 is used for hanging a wire, and the length direction of the third tension-resistant cross arm 250 is arranged along the vertical direction.

The first tension cross arm 210 has the same structure as the first terminal cross arm 110, and will not be described again.

The second tension-resistant cross arm 220 comprises a second tension-resistant Zhang Xinbang 221 (only labeled as schematic in the figure), a second tension-resistant connecting part 222, two tension-resistant wire clamp connecting parts 223 and a second tension-resistant insulating layer 224, wherein the second tension-resistant connecting part 222 is sleeved at the middle part of the second tension-resistant Zhang Xinbang 221 and is used for connecting the first tension-resistant cross arm 210; the two strain clamp connecting parts 223 are respectively connected with two ends of the second strain Zhang Xinbang 221 and are used for connecting strain clamps so as to hang wires; the second tensile insulating layer 224 covers at least a part of the outer circumferential surface of the second tensile insulating layer Zhang Xinbang 221. The second tension-resistant member Zhang Xinbang 221, the second tension-resistant connecting portion 222, the two tension-resistant wire clip connecting portions 223 and the second tension-resistant insulating layer 224 are similar to the structures of the respective constituent components of the second terminal cross arm 120, and are not described herein.

The tension-resistant connecting fitting 230 comprises a tension-resistant hoop connecting part 231, a tension-resistant horizontal connecting part 232, a tension-resistant top phase connecting part 233, a first tension-resistant insulator connecting part 234, a tension-resistant Zhang Baogu and a second tension-resistant insulator connecting part 236, wherein the tension-resistant hoop connecting part 231 is connected with the tension-resistant horizontal connecting part 232, the tension-resistant hoop connecting part 231 is connected with the tension-resistant Zhang Baogu in a matched manner so as to fix the tension-resistant composite cross arm 200 on the rod body of the tension-resistant rod 20, and the tension-resistant horizontal connecting part 232 is used for connecting the first tension-resistant cross arm 210; the tension roof connecting part 233 is connected to the edge of one side of the tension horizontal connecting part 232, which is not connected with the tension anchor ear connecting part 231, and extends upwards for connecting the third tension cross arm 250; the first tension insulator connecting part 234 is connected to the bottom of one side, which is not connected with the tension resistor Zhang Baogu 235, of the tension resistor hoop connecting part 231 and is used for connecting the tension insulator 240; correspondingly, a second tension insulator connecting part 236 is connected to one side of the tension insulator Zhang Baogu 235, which is not connected to the tension anchor ear connecting part 231, and is used for connecting the tension insulators 240, so that after the tension composite cross arm 200 is installed on the rod body of the tension rod 20, the two tension insulators 240 are respectively connected to two sides of the tension connecting fitting 230.

The tension insulator 240 may be a tension-resistant composite insulator structure in the prior art, and is not particularly limited herein.

The structure of the third tension cross arm 250 is similar to the structure of the third terminal cross arm 140, except that the fitting structure of the bottom of the third tension cross arm 250 for connecting the tension link fitting 230 is adaptively adjusted according to the structure of the tension top phase connection portion 233, which is not described herein.

As shown in fig. 1 and 5, the linear bar 30 includes a bar body, a linear hoop, and a linear composite cross arm 300, and the linear composite cross arm 300 is connected to the top of the bar body through the linear hoop.

The linear composite cross arm 300 includes a first linear cross arm 310 and a second linear cross arm 320, the second linear cross arm 320 is connected above the middle of the first linear cross arm 310, and the length direction of the second linear cross arm 320 is set along the vertical direction.

In an application scenario, the first linear cross arm 310 includes two first linear core rods 311 (labeled only as schematic in the figure), a linear middle fitting 312, two linear end fittings 313, and a first linear insulating layer 314, one ends of the two first linear core rods 311 are respectively connected to two ends of the linear middle fitting 312, and the linear middle fitting 312 is used for fixing the first linear cross arm 310 on a rod body of the linear rod 30; the two linear end fittings 313 are respectively connected with the other ends of the two first linear core rods 311 and are used for hanging wires; the first linear insulation layer 314 covers at least part of the outer circumferential surface of the first linear core rod 311.

The straight line middle hardware fitting 312 comprises a straight line middle connecting part and two straight line core rod connecting parts, wherein the two straight line core rod connecting parts are respectively connected with two ends of the straight line middle connecting part and are respectively used for connecting the first straight line core rod 311; the straight line middle part connecting portion comprises at least two plates, the at least two plates are connected in sequence and extend along the length direction of the straight line middle hardware fitting 312, any two adjacent plates are perpendicular to each other, one plate is close to the rod body and used for fixing the first straight line cross arm 310 on the rod body in cooperation with the straight line hoop, and the plate adjacent to the plate close to the rod body is used for connecting the second straight line cross arm 320.

The straight-end fitting 313 may employ a wire hanging fitting of the related art, and is not particularly limited herein.

In another application scenario, the first straight-line cross arm may also adopt an integral core rod, where the first straight-line cross arm includes a first straight-line core rod, a straight-line middle fitting, two straight-line end fittings and a first straight-line insulating layer, where the straight-line middle fitting is connected to the middle of the first straight-line core rod, and is used for fixing the first straight-line cross arm on the rod body of the straight-line rod 30. The straight line middle hardware fitting comprises a straight line middle sleeve, a straight line middle connecting part and a straight line top connecting part, wherein the straight line middle sleeve is a hollow pipe fitting and is fixedly sleeved in the middle of the first straight line core rod; the straight line middle connecting part is a plate-shaped part and is vertically connected to one side of the straight line middle sleeve and is used for being matched with the straight line anchor ear to fix the first straight line cross arm on the rod body; the linear top connecting part is a plate-shaped piece and is horizontally connected to the top side of the linear middle connecting part, and the linear top connecting part is used for connecting the second linear cross arm; and reinforcing ribs are arranged among the linear middle sleeve, the linear middle connecting part and the linear top connecting part so as to improve the overall strength of the linear middle hardware fitting. The remaining structure of the first straight cross arm using the integral mandrel is similar to the first straight cross arm 310 described above, and will not be described again here.

The second straight cross arm 320 includes a second straight core rod 321 (the reference numerals are only shown), a first straight metal fitting 322, a second straight metal fitting 323, and a second straight insulating layer 324, the first straight metal fitting 322 connecting the bottom of the second straight core rod 321 and the top of the straight intermediate metal fitting 312 to achieve assembly of the second straight cross arm 320 and the first straight cross arm 310; the second linear hardware fitting 323 is connected to the top of the second linear core rod 321 and is used for hanging a wire; second linear insulating layer 324 covers at least a portion of the outer circumferential surface of second linear core rod 321.

The first and second straight line fittings 322 and 323 may employ a prior art fitting structure, and are not particularly limited herein.

With continued reference to fig. 1, a plurality of transformer area composite cross arms 400 and transformer composite cross arms 500 are arranged on at least one terminal pole 10 in parallel at intervals, the transformer area composite cross arms 400 are located between the terminal composite cross arms 100 and the transformer composite cross arms 500, the transformer area composite cross arms 400 are used for installing down-lead cross arms 600 or knife switch 700 or fuses 800 or lightning arresters 900, and the transformer composite cross arms 500 are used for installing transformers 1000.

In an application scenario, at least one terminal pole 10 is disposed adjacent to one linear pole 30, and a transformer composite cross arm 500 and a plurality of transformer area composite cross arms 400 are disposed across the terminal pole 10 and the middle of the linear pole 30 adjacent thereto. For example, at one of the ends of the main line of the composite distribution line 1, one terminal bar 10 is provided adjacent to one straight bar 30; or one terminal bar 10 is disposed adjacent to one straight bar 30 at an end of one of the branch lines of the composite distribution line 1; or at the end of the main line and the ends of several branch lines of the composite distribution line 1, there is one terminal bar 10 disposed adjacent to one straight bar 30. It should be understood that at least one terminal rod 10 may be disposed adjacent to one tension rod 30, so long as the transformer composite cross arm 500 and the transformer area composite cross arm 400 can be disposed across, which is not particularly limited herein.

As shown in fig. 6, the composite cross arm 400 includes a first core rod 410 (labeled only as a schematic in the drawing), two first end fittings 420, at least one middle fitting 430 of the first region, and a first insulating layer 440 of the first region, where the two first end fittings 420 are respectively connected to two ends of the first core rod 410, and are respectively used for connecting rod bodies in cooperation with the region anchor ear, that is, respectively used for connecting the rod body of the terminal rod 10 and the rod body of the linear rod 30 adjacent thereto, so as to realize the spanning installation of the composite cross arm 400 of the region; the first district middle hardware fitting 430 is connected to the middle part of the first district core rod 410 and is used for installing power accessories or equipment such as a down wire cross arm 600, a disconnecting link switch 700, a fuse 800, a lightning arrester 900 and the like; the first mesa insulating layer 440 covers at least a portion of the outer circumferential surface of the first mesa core rod 410.

The plurality of district compound cross arms 400 are used for respectively installing down conductor cross arm 600, fuse 800 and arrester 900 in proper order from top to bottom, and the wire is from terminal compound cross arm 100's top down to connect down conductor cross arm 600, fuse 800, arrester 900 and transformer 900 in proper order. For example, the number of the bay composite cross arms 400 may be set to three, and the three bay composite cross arms 400 are used to mount the down-lead cross arm 600, the fuse 800, and the lightning arrester 900, respectively; or four composite cross arms 400 in the transformer area, wherein two composite cross arms 400 in the transformer area are used for installing the fuse 800 in a matching way, and the other two composite cross arms 400 in the transformer area are respectively used for installing the down wire cross arm 600 and the lightning arrester 900; or five or more composite cross arms 400 may be used, which may be adjusted according to the installation requirements of the power accessories or devices, without specific limitation.

As shown in fig. 1 and 7, the transformer composite cross arm 500 includes two first cross arms 510, the length directions of the two first cross arms 510 are located in the same horizontal plane and are parallel to each other, and two ends corresponding to the two first cross arms 510 are respectively held tightly by two rod bodies and then connected together, namely two ends corresponding to the two first cross arms 510 are respectively held tightly by the rod bodies of the terminal rod 10 and the rod bodies of the adjacent linear rods 30 and then connected together through connecting components such as double-headed screws, so that the transformer composite cross arm 500 spans and is installed on the terminal rod 10 and the adjacent linear rods 30; the middle parts of the two first cross arms 510 are connected together by a connection assembly such as an angle steel member, etc., to form a mounting seat for mounting the transformer 1000.

The first cross arm 510 includes a first core rod 511 (the reference numerals are only shown), two first end fittings 512, a plurality of first intermediate fittings 513, and a first insulating layer 514. The two first end fittings 512 are respectively connected with two ends of the first core rod 511, and the first end fittings 512 corresponding to the two first cross arms 510 are used for being matched and connected with the rod body; the plurality of first middle fittings 513 are connected to the middle of the first core rod 511, and the first middle fittings 513 corresponding to the two first cross arms 510 can be connected together through angle steel members and the like to be connected to form a mounting seat for mounting the transformer 1000; the first insulating layer 514 covers at least a portion of the outer circumferential surface of the first mandrel 511.

Further, since the transformer composite cross arm 500 is located below the transformer area composite cross arm 400 on the rod body, in order to avoid the transformer 1000 being installed and sliding down due to gravity, reinforcing hoops can be additionally arranged below the connection part between the two ends of the transformer composite cross arm 500 and the rod body, and the two reinforcing hoops are respectively fixed on the terminal rod 10 and the rod body of the linear rod 30 adjacent to the terminal rod 10 and respectively abutted with the first end fitting 512 corresponding to the two first cross arms 510, so that the transformer composite cross arm 500 is further supported, and a reinforcing effect is achieved.

As shown in fig. 8, the down-lead cross arm 600 includes a down-lead core rod 610 (the marks are only shown in the drawing), a first down-lead fitting 620, a second down-lead fitting 630 and a down-lead insulating layer 640, wherein the first down-lead fitting 620 and the second down-lead fitting 630 are respectively connected to two ends of the down-lead core rod 610, and the first down-lead fitting 620 is used for connecting the composite cross arm 400 in the platform region and the second down-lead fitting 630 is used for hanging a wire; the down-conductor insulating layer 640 covers at least part of the outer peripheral surface of the down-conductor core rod 610. The first down-lead fitting 620 and the second down-lead fitting 630 may have a fitting structure in the prior art, and may be adjusted according to the installation requirement and the wire hanging requirement, which is not particularly limited herein.

Further, in order to facilitate the control of the access and disconnection of the composite distribution line 1, at least one of the plurality of the district composite cross arms 400 is provided with a district composite cross arm 400 for installing a knife switch 700, the disconnecting link switch 700 is located between the down conductor cross arm 600 and the fuse 800, and the wires are sequentially connected with the down conductor cross arm 600, the disconnecting link switch 700, the fuse 800, the lightning arrester 900 and the transformer 1000. For example, the knife switch 700 may be directly installed by one composite cross arm 400 of the platform, or the knife switch 700 may be installed by matching two composite cross arms 400 of the platform, which is not particularly limited herein.

In another application scenario, a plurality of transformer area composite cross arms 1100 and transformer composite cross arms may be disposed in parallel on one terminal pole 10 at intervals, and the transformer area composite cross arms 1100 are located between the terminal composite cross arms 100 and the transformer composite cross arms, the transformer area composite cross arms 1100 are used for mounting down-lead cross arms 600 or knife switch 700 or fuse 800 or lightning arrester 900, and the transformer composite cross arms are used for mounting transformer 1000.

In the present embodiment, as shown in fig. 9, the bay composite cross arm 1100 includes a second bay mandrel 1110 (the reference numerals are only shown), a bay connecting fitting 1120, two second bay end fittings 1130, at least one second bay middle fitting 1140, and a second bay insulating layer 1150. The platform region connecting fitting 1120 is connected to the middle part of the second platform region mandrel 1110 and is used for being matched with the platform region anchor ear to connect the rod body of the terminal rod 10; the two second platform region end fittings 1130 are respectively connected with two ends of the second platform region mandrel 1110, the second platform region middle fitting 1140 is connected to the middle part of the second platform region mandrel 1110, the second platform region middle fitting 1140 is positioned between the platform region connecting fitting 1120 and the second platform region end fittings 1130, and the second platform region end fittings 1130 and the second platform region middle fitting 1140 are used for installing electric accessories and equipment; the second mesa region insulating layer 1150 covers at least a portion of the outer circumferential surface of the second mesa region mandrel 1110.

In some embodiments, the cross sections of the core rods of the terminal composite cross arm 100, the tension-resistant composite cross arm 200, the straight composite cross arm 300, the platform composite cross arm 400, the platform composite cross arm 1100 and the transformer cross arm 500 may be adjusted according to requirements, for example, may be square, round, triangular, T-shaped, L-shaped, or may take different shapes, as long as the structure of each core rod meets the strength requirement of the corresponding composite cross arm, which is not limited herein. And each core rod is connected with the hardware fitting at the end part or the middle part of the core rod through the sleeve of the corresponding hardware fitting through a crimping process, and the cross section of each core rod is matched with the cross section shape and the size of the sleeve of the corresponding hardware fitting, so that the sleeve of the hardware fitting is sleeved and fixed on the periphery of the corresponding core rod, the contact area between the sleeve and the sleeve of the corresponding hardware fitting is increased, and the connection reliability is ensured.

In some embodiments, insulating layers of the terminal composite cross arm 100, the tension-resistant composite cross arm 200, the linear composite cross arm 300, the transformer area composite cross arm 400, the transformer area composite cross arm 1100 and the transformer cross arm 500 all comprise sheaths, and the sheaths, the core rods covered by the sheaths and the hardware fittings on the corresponding core rods are in sealing connection, so that external water vapor invasion can be effectively prevented, the core rods are damaged, and the service life of the composite cross arm is further influenced; the insulating layers can also comprise umbrella skirts which are arranged on the sheath at intervals, and the arrangement of the umbrella skirts can improve the creepage distance of the outer surface of the composite cross arm, so that the composite cross arm has enough dry arc distance; and each insulating layer is high-temperature vulcanized silicone rubber, the silicone rubber material is coated on the periphery of the corresponding core rod through an integral vacuum injection molding process, the high-temperature vulcanized silicone rubber insulating layer is integrally formed, and the high-temperature vulcanized silicone rubber can also be sheathed on the periphery of the corresponding core rod through a die pressing process or after being preformed, has good ageing resistance and hydrophobic migration, can reduce the probability of pollution flashover and rain flashover, and improves the electrical safety of the composite cross arm.

In some embodiments, the tension-resistant connecting fitting 230 of the tension-resistant composite cross arm 200, the straight middle fitting 312 of the straight composite cross arm 300, the first platform end fitting 420 of the platform composite cross arm 400, the platform connecting fitting 1120 of the platform composite cross arm 1100 and the first end fitting 512 of the transformer cross arm 500, which are close to the corresponding rod bodies, can be provided with concave blocks, the shape of each concave block is matched with the shape of the outer surface of the rod body, and the rod bodies can be semi-surrounded, so that the contact area of the connecting part of the corresponding composite cross arm and the rod body is increased, and the connecting strength of the concave blocks and the rod bodies is further improved; reinforcing ribs can be arranged between the parts of the connecting hardware fitting according to requirements, so that the overall mechanical strength of the connecting hardware fitting is improved, and the connection reliability between the corresponding composite cross arm and the rod body is further ensured; and each connecting fitting can be integrally formed in a casting mode or the like, and can be connected together in a welding mode after each component is respectively formed, so that the connecting fitting is reliable in connection and simple and convenient to manufacture, and the connecting fitting is only capable of ensuring the connecting strength between each component, and is not particularly limited.

In some embodiments, the terminal anchor ear, the Zhang Baogu anchor ear, the straight anchor ear, and the platform anchor ear may all adopt anchor ear structures in the prior art, so long as a stable connection with the rod body can be achieved, and no specific limitation is imposed herein.

It can be understood that the setting distances among the terminal rod 10, the tension rod 20 and the linear rod 30 can be adjusted correspondingly according to the requirements; the overall lengths of the terminal composite cross arm 100, the tension-resistant composite cross arm 200, the linear composite cross arm 300, the platform composite cross arm 400, the platform composite cross arm 1100 and the transformer cross arm 500 and the assembly sequence can be correspondingly adjusted according to the requirements; and the specifications of the terminal wire clamp and the strain clamp can be correspondingly adjusted according to requirements.

In one application scenario, at least one linear rod 30 is arranged between two tension rods 20 arranged adjacently in one section of the composite distribution line 1. For example, in one section of the composite distribution line 1, a linear rod 30 is disposed between every two adjacent tension rods 20, that is, the tension rods 20 and the linear rods 30 are alternately disposed at intervals; or in one section of the composite distribution line 1, three linear rods 30 are arranged between every two adjacent tension rods 20, namely one tension rod 20 and three linear rods 30 are alternately arranged at intervals; or in one section of the composite distribution line 1, different numbers of linear rods 30 are arranged between any adjacent tension rods 20, and the number of the linear rods is adjusted according to the requirement of the composite distribution line 1 for transmitting electric energy, and the method is not particularly limited. Because the straight line pole 30 simple structure, simple to operate, strain insulator pole 20 can effectively control and fall pole, broken string scope, the quantity of strain insulator pole 20 and straight line pole 30 in the rational design composite distribution line 1, the arrangement mode can improve installation effectiveness when guaranteeing electric energy and carry, guarantee electric power safety.

In another application scenario, in one section of the composite distribution line 1, at least one tension rod 20 is disposed along the wires on two sides of the extending direction of the composite distribution line 1 at an included angle, so as to adjust the extending direction of the composite distribution line 1 within a certain angle range, so as to adapt to the surrounding environment and facilitate the wiring of the composite distribution line 1. For example, if the included angle between the wires on both sides of one tension rod 20 along the extension direction of the composite distribution line 1 is 10 °, that is, the included angle between the wire on one side of the tension rod 20 and the wire extension line on the other side is 10 °, the extension direction of the composite distribution line 1 can be twisted by 10 ° by the tension rod 20; or when two tension rods 20 are adjacently arranged, the included angle between the wires on two sides of each tension rod 20 along the extending direction of the composite distribution line 1 is 10 degrees, namely, the included angle between the wires on one side of the two tension rods 20 and the extending wires on the other side of the two tension rods 20 along the extending direction of the composite distribution line 1 is 20 degrees, and then the extending direction of the composite distribution line 1 can be twisted by 20 degrees through the two tension rods 20. It will be appreciated that the specific number of adjacent tension rods 20 and the angle adjustment range of the wires can be correspondingly adjusted according to the power transmission requirement of the composite power distribution line 1 and the surrounding environment, and the present invention is not limited thereto.

In some embodiments, the rod bodies of the terminal rod 10, the tension rod 20 and the linear rod 30 are integrally formed by a winding process using a fiber reinforced composite material, for example, the rod bodies may be formed by a winding process after being impregnated with epoxy resin using fiber glass fiber or aramid fiber. Compared with the traditional cement pole and steel pipe pole, the pole body prepared by the composite material has the advantages that the mechanical property is ensured, the weight is obviously reduced, the transportation and installation cost can be greatly reduced, the installation efficiency is improved, the toughness is better, and the pole body can be effectively prevented from falling down in the strong wind environment such as seaside and the like; the corrosion resistance is better, so that the rod body can be suitable for environments with high corrosion resistance requirements, such as coastal areas, inland saline soil areas, industrial areas, acid rain areas and the like; the electric insulation performance is more excellent, accidents such as lightning trip-out and the like can be effectively avoided, and the overall lightning protection level of the composite distribution line 1 is improved. In addition, the rod body is integrally formed through a winding process, the manufacturing process is simple and convenient, and the production efficiency is high.

In an application scenario, when the composite distribution line 1 is a single-loop transmission line, three-phase wires are required to be hung on each distribution pole, and at this time, a terminal composite cross arm 100 is arranged on a pole body of a terminal pole 10, and comprises a first terminal cross arm 110, two second terminal cross arms 120, a terminal connecting fitting 130 and a third terminal cross arm 140; the rod body of the tension rod 20 is provided with a tension composite cross arm 200, and the tension composite cross arm 200 comprises a first tension cross arm 210, two second tension cross arms 220, a tension connecting fitting 230, two tension insulators 240 and a third tension cross arm 250; the linear composite cross arm 300 is arranged on the rod body of the linear rod 30, and the linear composite cross arm 300 comprises the first linear cross arm 310 and the second linear cross arm 320, so that a single-loop triangular arrangement hanging line mode can be formed, and the single-loop power transmission requirement is met. The specific structure of each composite cross arm is as described above and will not be described in detail herein.

In the single-loop composite distribution line 1 (taking a main line as an example), one end of a three-phase wire is hung on one terminal rod 10, and the other end of the three-phase wire is hung on the other terminal rod 10 after passing through a plurality of tension rods 20 and a plurality of linear rods 30, so as to form the composite distribution line 1. When the ends of the wires are hung on the terminal composite cross arm 100 of the terminal rod 10, the ends of two of the three-phase wires are hung on the terminal clamps connected with the two second terminal cross arms 120, which are respectively defined as a first-phase wire and a second-phase wire; the end of the other phase conductor, which is defined as the third phase conductor, is hung from the terminal clip connected to the third terminal cross arm 140, above the first phase conductor and the second phase conductor. When the wires are hung on the tension-resistant composite cross arm 200 of the tension-resistant rod 20, along the extending direction of the composite distribution line 1, the first phase wires and the second phase wires positioned on one side of the tension-resistant rod 20 are respectively connected to the tension clamps connected to one ends of the two second tension-resistant cross arms 220, and the jumper wires are connected to the tension clamps connected to the other ends of the corresponding second tension-resistant cross arms 220; the third phase wire on one side of the tension composite cross arm 200 is connected to the tension clamp connected to one tension insulator 240 and connected to the tension clamp connected to the other tension insulator 240 via the top jumper of the third tension cross arm 250, thereby allowing the three phase wires to all transition to the other side of the tension rod 20. When the wires are hung to the linear composite cross arm 300 of the linear rod 30, the first phase wires and the second phase wires are respectively and directly hung on the linear end fittings 313 at two ends of the first linear cross arm 310, and the third phase wires are directly hung on the second linear fittings 323 at the top of the second linear cross arm 320, so that the three-phase wires transition from one side to the other side of the linear rod 30 along the extending direction of the composite distribution line 1, and finally the wires of the whole composite distribution line 1 are in a triangular arrangement form.

In another application scenario, when the composite distribution line 1 is a double-loop power transmission line, six-phase wires are required to be hung on each distribution pole, at this time, three terminal composite cross arms are arranged on the pole body of the terminal pole 10 in parallel at intervals, and each terminal composite cross arm comprises a first terminal cross arm 110, two second terminal cross arms 120 and a terminal connecting fitting 130; three tension-resistant composite cross arms are arranged on the rod body of the tension-resistant rod 20 at intervals in parallel, and each tension-resistant composite cross arm comprises a first tension-resistant cross arm 210, two second tension-resistant cross arms 220 and a tension-resistant connecting fitting 230; the three linear composite cross arms are arranged on the rod body of the linear rod 30 at intervals in parallel, each linear composite cross arm comprises a first linear cross arm 310, and the linear composite cross arms can form a horizontally arranged hanging line mode to meet the requirement of double-loop power transmission. The specific structure of each composite cross arm is as described above and will not be described in detail herein. In other application scenarios, when the composite distribution line 1 needs to be connected with wires of more loops, the number of the composite cross arms is increased according to the needs.

In the double-loop composite distribution line 1 (taking a main line as an example), one end of a six-phase wire is hung on one terminal rod 10, and the other end of the six-phase wire is hung on the other terminal rod 10 after passing through a plurality of tension rods 20 and a plurality of linear rods 30, so as to form the composite distribution line 1. The six-phase wires comprise three groups of wires, the three groups of wires are hung on the composite cross arm of each power distribution rod at intervals along the vertical direction, and each group of wires comprises two-phase wires. The three groups of wires are the same in the wire hanging mode, and one group of wires is taken as an example for illustration, when the end parts of the wires are hung on the terminal rod 10, the end parts of the two-phase wires are hung on terminal clamps connected with two second terminal cross arms 120 of one terminal composite cross arm; when the wires are hung on the tension-resistant composite cross arms of the tension-resistant rods 20, along the extending direction of the composite distribution line 1, two-phase wires positioned on one side of the tension-resistant rods 20 are respectively connected to tension clamps connected to one ends of two second tension-resistant cross arms 220 of one tension-resistant composite cross arm, and jumper wires are connected to the tension clamps connected to the other ends of the corresponding second tension-resistant cross arms 220, so that the two-phase wires are transited to the other side of the tension-resistant rods; when the wires are hung on the linear composite cross arm of the linear rod 30, the two-phase wires are respectively and directly hung on the linear end fittings 313 at two ends of the first linear cross arm 310 of one linear composite cross arm, so that the two-phase wires transition from one side to the other side of the linear rod 30 along the extending direction of the composite distribution line 1, the terminal composite cross arm, the tension-resistant composite cross arm and the linear composite cross arm for hanging the same group of wires are approximately positioned at the same horizontal height, and after the three groups of wires are respectively hung on the corresponding composite cross arms on each distribution rod in the above manner, the wires of the whole composite distribution line 1 are finally horizontally arranged.

While the technical content and features of the present application have been disclosed above, it will be understood that various changes and modifications to the above-described structures and materials, including combinations of technical features individually disclosed or claimed herein, may be made by those skilled in the art under the innovative concepts of the present application, and other combinations of these features are obviously included. Such variations and/or combinations fall within the area of technology to which this application pertains and are within the scope of the claims of this application.

Claims (13)

1. The utility model provides a compound distribution line, includes a plurality of edge compound distribution line's extending direction interval setting's distribution pole and hangs and establish wire on the distribution pole, its characterized in that, a plurality of the distribution pole includes two at least terminal poles, a plurality of strain insulator-bars and a plurality of straight line pole, the terminal pole is located compound distribution line's tip, the straight line pole with the strain insulator-bars is located compound distribution line's middle part, the top of terminal pole sets up terminal compound cross arm, the top of strain insulator-bars sets up the compound cross arm of strain insulator-bars, the top of straight line pole sets up the compound cross arm of straight line, the wire is followed compound cross arm of compound distribution line's extending direction is hung to be established terminal compound cross arm the compound cross arm of strain insulator-bars form on the compound distribution line of straight line.

2. The composite distribution line of claim 1 wherein the rods of the terminal rod, the linear rod and the tension rod are integrally formed by a winding process using fiber reinforced composite materials.

3. The composite distribution line according to claim 1, wherein a plurality of transformer area composite cross arms and transformer composite cross arms are arranged on at least one terminal pole at intervals in parallel, the transformer area composite cross arms are positioned between the terminal composite cross arms and the transformer composite cross arms, the transformer area composite cross arms are used for installing down-lead cross arms or disconnecting switches or fuses or lightning arresters, and the transformer composite cross arms are used for installing transformers.

4. A composite distribution line according to claim 3, wherein at least one of said terminal bars is disposed adjacent one of said linear bars, said transformer composite cross arm and said plurality of said transformer composite cross arms being disposed across the middle of said terminal bars and said linear bars adjacent thereto.

5. The composite distribution line according to claim 4, wherein a plurality of the bench area composite cross arms are respectively used for sequentially installing a down-lead cross arm, a fuse and a lightning arrester from top to bottom, and the wires are sequentially connected with the down-lead cross arm, the fuse, the lightning arrester and the transformer from top of the terminal composite cross arm downwards.

6. The composite distribution line of claim 5, wherein at least one of the plurality of composite cross arms is configured to mount a knife switch, the knife switch being located between the down conductor cross arm and the fuse, the wire connecting the down conductor cross arm, the knife switch, the fuse, the lightning arrester, and the transformer in sequence.

7. The composite power distribution circuit of claim 1 wherein at least one of said linear rods is disposed between two of said tension rods disposed adjacent to each other in one of said sections of said composite power distribution circuit.

8. The composite electrical distribution line of claim 1 wherein at least one of said tension bars is disposed at an angle along said conductors on either side of the direction of extension of said composite electrical distribution line in one of said sections of said composite electrical distribution line.

9. The composite distribution line of claim 1, wherein the terminal composite cross arm comprises:

a first terminal cross arm;

the two ends of the second terminal cross arm are respectively connected with two ends of the first terminal cross arm, the other end of the second terminal cross arm is used for connecting a wire clamp, and the length direction of the second terminal cross arm and the length direction of the first terminal cross arm are positioned in the same horizontal plane and are mutually perpendicular;

The middle part of the first terminal cross arm is connected with the terminal connecting fitting;

the third terminal cross arm, the one end of third terminal cross arm is connected terminal link fitting, the other end of third terminal cross arm is used for connecting the fastener, the length direction of third terminal cross arm sets up along vertical direction.

10. The composite power distribution circuit of claim 1, wherein the linear composite cross arm comprises: the first straight-line cross arm and second straight-line cross arm, the second straight-line cross arm is connected the middle part top of first straight-line cross arm, just the length direction of second straight-line cross arm sets up along vertical direction.

11. The composite distribution circuit of claim 4, wherein the district composite cross arm comprises:

a first land core rod;

the two first platform region end fittings are respectively connected with two ends of the first platform region core rod and are respectively used for connecting rod bodies;

the middle hardware fitting of the first area is connected to the middle part of the first area core rod;

and the first zone insulating layer covers at least part of the peripheral surface of the first zone core rod.

12. The composite distribution line of claim 3, wherein the bay composite cross arm comprises:

a second zone mandrel;

the platform region connecting hardware fitting is connected to the middle part of the second platform region core rod and used for connecting the rod body;

the two second platform region end fittings are respectively connected with two ends of the second platform region core rod;

the second zone middle hardware fitting is connected to the middle of the second zone core rod, and the second zone middle hardware fitting is positioned between the zone connecting hardware fitting and the second zone end hardware fitting;

and the second zone insulating layer covers at least part of the peripheral surface of the second zone core rod.

13. The composite power distribution circuit of claim 1, wherein the tension resistant composite cross arm comprises:

a first tension cross arm;

the middle parts of the two second tension-resistant cross arms are respectively connected with two ends of the first tension-resistant cross arm, the two ends of the second tension-resistant cross arm are used for connecting wire clamps, and the length direction of the second tension-resistant cross arm and the length direction of the first tension-resistant cross arm are positioned in the same horizontal plane and are mutually perpendicular;

The middle part of the first tension cross arm is connected with the tension connecting fitting;

one ends of the two tension insulators are respectively connected to two sides of the tension connecting fitting, the other ends of the tension insulators are used for connecting wire clamps, and the length direction of the tension insulators is parallel to the length direction of the second tension cross arm;

the third strain insulator-cross arm, the one end of third strain insulator-cross arm is connected strain insulator link, the other end of third strain insulator-cross arm is used for hanging establishes the wire, the length direction of third strain insulator-cross arm sets up along vertical direction.