CN214576147U

CN214576147U - Composite insulating cross arm and double-vertical, upper-character-shaped, triangular and corner rod arrangement structure

Info

Publication number: CN214576147U
Application number: CN202021983173.7U
Authority: CN
Inventors: 周军; 周松松; 白云; 李�瑞; 李哲远; 邓禹; 杜怡君; 白峰
Original assignee: Hebei Kangbo Electric Power Technology Co ltd; State Grid Corp of China SGCC; China Electric Power Research Institute Co Ltd CEPRI
Current assignee: Hebei Kangbo Electric Power Technology Co ltd; State Grid Corp of China SGCC; China Electric Power Research Institute Co Ltd CEPRI
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-11-02
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a compound insulation cross arm and two perpendicular, go up style of calligraphy, triangle-shaped and corner pole arrangement structure, include: the wire fixing seats are respectively arranged at two end parts of the core body and used for fixing wires; wherein, each overlap respectively between wire fixing base and the connecting piece and establish one the overcoat, the both ends of overcoat respectively with the end looks joint of wire fixing base and connecting piece. Through setting up triangle-shaped core and connecting piece, promoted the mechanical properties of cross arm effectively, reduced product weight, all carry out the circuit installation through the both ends that make the core and form whole body formula cross arm to greatly improved the utilization efficiency of cross arm, reduced the product cost, practice thrift the cost.

Description

Composite insulating cross arm and double-vertical, upper-character-shaped, triangular and corner rod arrangement structure

Technical Field

The utility model relates to a transmission line technical field particularly, relates to a compound insulation cross arm and two perpendicular, go up style of calligraphy, triangle-shaped and corner pole arrangement structure.

Background

At present, the lightning resistance level of a line can be greatly improved by applying the 10kV composite insulating cross arm of the distribution network. The composite insulating cross arm of the distribution line at the present stage is mainly used for straight line rods and mainly bears vertical load, the cross section type comprises a rectangle shape, a T shape and the like, and unbalanced longitudinal tension such as line breakage and the like is not considered in the design; the mode that 'double-insulation cross arms are connected in parallel' are used as tension-resistant composite insulation cross arms is also adopted, the existing structural mode is heavy in weight and high in manufacturing cost, bird 'nesting' is facilitated, insulation performance is easy to reduce, and line tripping is easy to occur.

Disclosure of Invention

In view of this, the utility model provides a compound insulating cross arm and two perpendicular, go up style of calligraphy, triangle-shaped and corner pole arrangement structure aims at solving the problem that reduces insulating cross arm cost.

In one aspect, the utility model provides a compound insulating cross arm, include: the wire fixing seats are respectively arranged at two end parts of the core body and used for fixing wires; the outer sleeve is laid on the outer side wall of the core body and is arranged between the lead fixing seat and the connecting piece.

Furthermore, fixing device includes staple bolt yoke plate and U type staple bolt, the side of going up of staple bolt yoke plate with the connecting piece is connected, U type staple bolt encloses to be established on the line pole, and with staple bolt yoke plate bolted connection, in order with staple bolt yoke plate with the line pole links together.

Further, the hoop yoke plate comprises a vertical plate and a horizontal plate, the vertical plate is arranged along the vertical direction, and one side of the vertical plate is in contact with the wire rod; the horizontal plate is arranged at the upper end part of the other side of the vertical plate along the horizontal direction, and the horizontal plate and the vertical plate are mutually perpendicular and intersected to form an L-shaped structure.

Furthermore, a support piece is arranged in the middle of one side, close to the line pole, of the vertical plate in the vertical direction, and the support piece is of an M-shaped structure.

Furthermore, a supporting plate is arranged between the vertical plate and the horizontal plate, and the supporting plate is respectively connected with the middle parts of the vertical plate and the horizontal plate.

Furthermore, a triangular through hole is formed in the middle of the connecting piece, and the core body penetrates through the triangular through hole.

Further, the middle part of the lower side surface of the connecting piece is provided with a connecting bulge, and the connecting bulge is used for being connected with the fixing device.

Furthermore, a T-shaped mounting hole is formed in the connecting protrusion and used for clamping a bolt.

Further, the outer side walls at the two ends of the connecting piece are provided with first sealing grooves, the first sealing grooves are arranged along the circumferential direction of the outer side wall of the connecting piece, and the first sealing grooves are used for clamping the outer sleeve.

Furthermore, one end of the wire fixing seat is provided with a triangular slot, and the end part of the core body is inserted into the triangular slot; and a second sealing groove is formed in the outer side wall of the triangular slot.

Compared with the prior art, the beneficial effects of the utility model reside in that, through setting up triangle-shaped core and connecting piece, promoted the mechanical properties of cross arm effectively, reduce product weight, all carry out the circuit installation through the both ends that make the core and form whole body formula cross arm to greatly improved the utilization efficiency of cross arm, reduced product cost, practice thrift the cost. And, the utility model discloses a compound insulating cross arm, structural style is succinct, connects reliably, the assembly is convenient.

On the other hand, the utility model also provides a two perpendicular arrangement structure of compound insulating cross arm, include: the wire pole, be provided with on the wire pole compound insulating cross arm, the upper portion of wire pole sets up two at least compound insulating cross arm, two at least compound insulating cross arm follows the direction of setting up of wire pole sets up side by side, and two at least compound insulating cross arm respectively with the wire pole is crossing perpendicularly.

On the other hand, the utility model also provides a style of calligraphy arrangement structure on compound insulating cross arm, include: the composite insulating cross arms are arranged on the wire pole, the two composite insulating cross arms are arranged on the upper part of the wire pole side by side along the arrangement direction of the wire pole, and the two composite insulating cross arms are respectively and vertically intersected with the wire pole; wherein the content of the first and second substances,

in the two composite insulating cross arms, the core body of the composite insulating cross arm positioned at the upper side is only arranged at one side of the connecting piece.

Further, an included angle of a preset angle is kept between the core body of the composite insulating cross arm positioned on the upper side and the horizontal plane.

Furthermore, the horizontal plate of the fixing device of the composite insulating cross arm positioned on the upper side is raised by a preset angle.

On the other hand, the utility model also provides a compound insulation cross arm's triangle-shaped arrangement structure, include: the composite insulating cross arm is arranged on the wire rod, wherein two suspension insulators are arranged in the middle of the composite insulating cross arm, and the suspension insulators are arranged along the horizontal direction and vertically intersected with the composite insulating cross arm; the upper portion of compound insulating cross arm is provided with the column type insulator, the column type insulator sets up along vertical direction, and with compound insulating cross arm is crossing perpendicularly.

On the other hand, the utility model also provides a corner pole arrangement structure of compound insulating cross arm, include: the composite insulating cross arm is arranged on the wire pole, wherein two composite insulating cross arms are arranged on the upper part of the wire pole, one composite insulating cross arm is arranged above the other composite insulating cross arm, and the two composite insulating cross arms are mutually and vertically arranged; a corner rod is arranged on the fixing device of each composite insulating cross arm; and a column type composite insulator is arranged on the wire hanging end hardware fitting of the composite insulating cross arm above the wire hanging end hardware fitting, and is used for supporting a jumper wire.

It can be understood that above-mentioned arrangement structure has all adopted the utility model provides a compound insulation cross arm, structural stability is stronger to can improve the installation effectiveness effectively, simultaneously, greatly practice thrift construction cost.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a composite insulating cross arm according to an embodiment of the present invention;

fig. 2 is a first structural schematic diagram of a fixing device according to an embodiment of the present invention;

fig. 3 is a second schematic structural view of the fixing device according to the embodiment of the present invention;

fig. 4 is a perspective view of a connector according to an embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic diagram of a double-vertical arrangement structure of a composite insulating cross arm according to an embodiment of the present invention;

fig. 7 is a schematic view of an upper-shaped arrangement structure of a composite insulating cross arm according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of the composite insulating cross arm hoop yoke plate according to an embodiment of the present invention;

fig. 9 is a schematic view of a triangular arrangement structure of a composite insulating cross arm according to an embodiment of the present invention;

fig. 10 is a schematic view of an arrangement structure of corner rods of a composite insulating cross arm according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1, the present embodiment provides a composite insulating cross arm, where the composite insulating cross arm 1 includes a core 2, an outer sleeve 21, a wire fixing seat 3, a connecting member 4 and a fixing device 5, and the cross-sectional shape of the core 2 is a triangle, that is, the core 2 is a solid body with a triangular structure; the connecting piece 4 is sleeved in the middle of the core body 2, namely, a through hole 42 is formed in the middle of the connecting piece 4, so that the core body 2 is arranged in the through hole 42 in a penetrating manner, and the core body 2 and the connecting piece 4 are connected together; the fixing device 5 is connected with the connecting piece 4, the fixing device 5 is used for fixing the connecting piece 4 on the line pole 10, namely, the connecting piece 4 is arranged on the upper side surface of the fixing device 5 and is connected together in a bolt connection mode, meanwhile, one side surface of the fixing device 5 is contacted with the line pole 10, the fixing device 5 is connected with the line pole 10 in a bolt connection mode, so that the connecting piece 4 and the line pole 10 are connected into a whole, and the core body 2 is fixed on the line pole 10; the two lead fixing seats 3 are arranged, the two lead fixing seats 3 are respectively arranged at two end parts of the core body 2, and the lead fixing seats 3 are used for fixing leads; wherein, an overcoat 21 is established to the cover respectively between every wire fixing base 3 and the connecting piece 4, and the both ends of overcoat 21 are connected with the tip of wire fixing base 3 and connecting piece 4 respectively.

When the cross arm is used, the fixing device 5 is connected with the wire rod 10, the core body 2 is arranged in the connecting piece 4 in a penetrating mode to be fixed, the connecting piece 4 is connected with the fixing device 5 through bolts, meanwhile, the outer sleeve 21 is sleeved on the core body 2, the wire fixing seat 3 is arranged, and therefore cross arm installation is completed. It can be seen that through setting up triangle-shaped core 2 and connecting piece 4, promoted the mechanical load of circuit effectively, fixing device 5 and the structure of this embodiment have greatly reduced the weight of product simultaneously, practice thrift manufacturing cost. Simultaneously, all carry out the circuit installation through the both ends that make core 2 and form whole formula cross arm structure to greatly improved the utilization efficiency of cross arm, reduced the product cost, practice thrift the cost, and, this real-time design's compound insulating cross arm 1, structural style is succinct, connects reliably, the assembly is convenient.

Specifically, the lead fixing seat 3 and the connecting piece 4 can be connected and fixed with the core body 2 in a crimping, cementing and other modes; the outer sleeve 21 may be bonded to the core 2 by integral injection, extrusion, wrapping with an umbrella, or the like.

Specifically, as shown in fig. 2 and 3, the fixing device 5 includes a hoop yoke plate and a U-shaped hoop 54, the upper side of the hoop yoke plate is connected to the connecting member 4, and the U-shaped hoop 54 surrounds the wire pole 10 and is bolted to the hoop yoke plate to connect the hoop yoke plate and the wire pole 10 together.

Specifically, the U-shaped hoop 54 is a U-shaped structure, two ends of the U-shaped hoop are provided with external threads, a side surface of the fixing device 5 contacting the wire pole 10 is provided with an unthreaded hole, two ends of the U-shaped hoop 54 penetrate through the unthreaded hole and are fixed by a nut, so that the fixing device 5 and the wire pole 10 are connected together by the U-shaped hoop 54.

Specifically, at least two U-shaped anchor ears 54 are provided, and at least two U-shaped anchor ears 54 are arranged side by side and are bolted together with one side of the fixing device 5 close to the pole 10. The number of the U-shaped anchor ears 54 can be set according to actual conditions, and it is only necessary to connect the fixing device 5 and the line pole 10 together firmly.

With continued reference to fig. 2 and 3, specifically, the hoop yoke plate includes a vertical plate 52 and a horizontal plate 51, the vertical plate 52 is disposed in the vertical direction and contacts the wire pole 10; the horizontal plate 51 is disposed in a horizontal direction, an end portion of the horizontal plate 51 perpendicularly intersects an upper end of the vertical plate 52 to form an L-shaped structure, and particularly, when the horizontal plate 51 is coupled to the vertical plate 52, an end portion of the horizontal plate 51 is coupled to an upper end portion of the vertical plate 52, and the horizontal plate 51 is disposed at an upper portion of a side of the vertical plate 52 away from the wire rod 10. The horizontal plate 51 is uniformly provided with a first connecting hole 57, the connecting piece 4 is arranged on the upper side surface of the horizontal plate 51, and the connecting piece 4 is connected with the horizontal plate 51 through bolts, namely, bolts are arranged in the first connecting hole 57 in a penetrating way, so that the connecting piece 4 and the horizontal plate 51 are connected together through the bolts.

Specifically, a plurality of second connecting holes 56 have been seted up evenly on vertical board 52, and second connecting hole 56 sets up respectively in the both sides that vertical board 52 is relative, and the second connecting hole 56 of each side of vertical board 52 sets up two at least side by side along vertical direction, and the both ends of U type staple bolt 54 wear to establish respectively in second connecting hole 56 to link together vertical board 52 and U type staple bolt 54 through the nut, thereby pass through U type staple bolt 54 so that vertical board 52 is fixed on line pole 10.

Specifically, the horizontal plate 51 is a flat plate having a trapezoidal structure, and the longer side thereof is connected to the vertical plate 52. By arranging the horizontal plate 51 with the trapezoidal structure, horizontal materials can be reduced, the weight of the horizontal plate is reduced, and the cost is saved.

Specifically, the vertical plate 52 and the horizontal plate 51 are preferably steel plates, and the vertical plate 52 and the horizontal plate 51 are made into an L-shaped structure by welding or integral molding.

This embodiment, staple bolt yoke plate and U type staple bolt 54 through setting up L type structure are fixed the cross arm, not only can improve fixing device 5 and line pole 10's stability of being connected, and convenient and fast's messenger staple bolt yoke plate and U type staple bolt 54 are connected with line pole 10, improve the construction speed, still greatly reduce fixing device 5's whole weight, have reduced the use of material, have practiced thrift the cost.

With continued reference to fig. 2 and 3, specifically, the vertical plate 52 is provided with a support member 53 in the vertical direction at the middle portion of the side near the wire rod 10, and the support member 53 has an M-shaped structure. The support member 53 is formed by bending a steel plate, and is connected to the vertical plate 52 by welding or bolts.

Specifically, the support 53 is disposed between the second coupling holes 56 at opposite sides of the vertical plate 52. The support members 53 are provided at least two side by side in the vertical direction, the number of which can be set according to actual conditions, and the support members 53 are provided so that the vertical plate 52 can be stably connected with the wire rod 10.

With continued reference to fig. 2 and 3, specifically, a support plate 55 is provided between the vertical plate 52 and the horizontal plate 51, the support plate 55 is disposed in the vertical direction, a side edge of the support plate 55 is connected to a middle portion of a side of the vertical plate 52 remote from the wire pole 10, and an upper side edge of the support plate 55 is connected to a middle portion of a lower side of the horizontal plate 51, that is, the support plate 55 perpendicularly intersects the vertical plate 52 and the horizontal plate 51, respectively. The support plate 55 is integrally connected to the vertical plate 52 and the horizontal plate 51 by welding. Through setting up the structural stability that backup pad 55 reinforcing staple bolt yoke plate.

Particularly, the support plate 55 is provided with a plurality of structure holes 58, so that the structural strength of the support plate 55 can be improved, the weight of the support plate 55 is greatly reduced, the material is saved, and the manufacturing cost is reduced.

Referring to fig. 4 and 5, in detail, the connecting member 4 has a triangular structure, and a through hole 42 is formed in the middle of the connecting member 4 so that the core 2 is inserted therein. The outer side walls of the two end parts of the connecting piece 4 are provided with first sealing grooves 43, the first sealing grooves 43 are annularly arranged along the circumferential direction of the outer side wall of the connecting piece 4, and the first sealing grooves 43 are used for clamping the outer sleeve 21. That is, the first seal groove 43 is provided on the end portion outer side wall of the connector 4 near the open end thereof, and the first seal groove 43 is annularly provided along the circumferential direction of the outer side wall of the connector 4. When the outer sleeve 21 is connected with the connecting piece 4, the end part of the outer sleeve 21 is sleeved on the end part of the connecting piece 4, and then the end part of the outer sleeve 21 is clamped in the first sealing groove 43, so that the sealing performance of the outer sleeve 21 and the connecting piece 4 after connection is enhanced by arranging the first sealing groove 43.

Specifically, the wire fixing seat 3 includes a wiring board 32 and a connecting body 31, the wiring board 32 and the connecting body 31 are connected as a whole, and a plurality of wiring holes are provided on the wiring board 32, and the wiring holes are used for fixing wires. One end of the connecting body 31, which is far away from the wiring board 32, is provided with a triangular slot, the end part of the core body 2 is inserted into the triangular slot, and the triangular slot is of a triangular groove structure. Specifically, wire fixing base 3 is the gold utensil of a fixed wire, is provided with a plurality of wiring holes on the wiring board 32 of its one end for fixed wire, the other end sets up the triangle-shaped slot, inserts through the tip with core 2 and establishes in the slot of triangle-shaped, thereby can make core 2 and wire fixing base 3 firm being connected.

Specifically, the outer side wall of the connecting body 31 is provided with a second sealing groove which is annularly arranged along the circumferential direction of the connecting body 31 and is used for being clamped with the end of the outer sleeve 21. Through set up the second seal groove on wire fixing base 3's lateral wall to when overcoat 21 is connected with wire fixing base 3, establish overcoat 21 card in the second seal groove, thereby the sealing performance when reinforcing wire fixing base 3 is connected with overcoat 21.

As shown in fig. 4 and 5, the coupling protrusion 41 is provided at a middle position of the lower side surface of the coupling member 4, and the coupling protrusion 41 is adapted to be coupled to the horizontal plate 51 of the fixing device 5.

Specifically, the connecting protrusion 41 is provided with a T-shaped mounting hole 44, and the T-shaped mounting hole 44 is used for a bolt to be clamped therein and connected with the first connecting hole 57 on the horizontal plate 51 through the clamped bolt. Specifically, the two opposite ends of the connecting protrusion 41 are respectively provided with a first groove, a second groove is arranged under the middle of the first groove, the second groove is communicated with the side surface of the connecting protrusion 41 contacting the horizontal plate 51, and the first groove and the second groove are communicated with each other to form a T-shaped structure, and the first groove and the second groove are arranged along the arrangement direction of the connecting piece 4. Each end of the connecting protrusion 41 is provided with at least two rows of first grooves side by side, and a second groove is arranged right below each first groove. When in use, the nut of the bolt is clamped in the first groove, the screw of the bolt is inserted into the second groove, the lower end of the bolt passes through the first connecting hole 57 of the horizontal plate 51 and is connected with the bolt through the nut, so that the connecting protrusion 41 is connected with the horizontal plate 51.

Specifically, the core 2 of the present embodiment is a column structure of a triangular structure, which is made of an insulating material. The mechanical load of the distribution line under various working conditions can be met by adjusting the length of the bottom side of the triangular section of the core body 2 to be 60-100 mm and/or the height to be 40-70 mm.

Specifically, the connecting member 4 is made of a metal material such as an aluminum alloy by a die-casting process. The lead fixing seat 3 is made of a pultruded aluminum alloy profile and is formed by machining.

It can be seen that this embodiment has promoted the mechanical load of circuit effectively through setting up triangle-shaped core 2 and connecting piece 4, reduces product weight, simultaneously, all carries out the circuit installation through the both ends that make core 2 and forms two cross arm structures to greatly improved the utilization efficiency of cross arm, reduced the product cost, practice thrift the cost, and, the cross arm structure of this embodiment, structural style is succinct, connects reliably, the assembly is convenient.

In the embodiment, in a specific implementation, a plurality of composite insulating cross arms 1 may be disposed on the wire rod 10 at the same time, so as to meet the installation requirement of the line.

In the embodiment, the triangular core body 2 is arranged, so that mechanical loads in the longitudinal direction and the vertical direction under various working conditions of a line can be met, the utilization rate of the composite material is improved, and the weight of a product can be reduced to the maximum extent by adopting an aluminum alloy end hardware fitting; compared with the form of parallel connection of double insulating cross arms, the single tension composite insulating cross arm 1 is simple in structural form, convenient to assemble, low in manufacturing cost and outstanding in economic advantages, meanwhile, bird nests and the like can be reduced to be stacked, the insulating performance is excellent, and the operation and maintenance cost of a line is reduced.

Referring to fig. 6, in another preferred embodiment based on the above embodiment, the present embodiment provides a double vertical arrangement structure of composite insulating cross arms, which includes a wire pole 10, the composite insulating cross arms 1 in the above embodiment are disposed on the wire pole 10, specifically, at least two composite insulating cross arms 1 are disposed on an upper portion of the wire pole 10, at least two composite insulating cross arms 1 are disposed side by side along a disposition direction of the wire pole 10, namely, the composite insulating cross arm 1 is arranged along the horizontal direction, at least two composite insulating cross arms 1 are arranged along the arrangement direction of the wire pole 10, are arranged on the wire pole 10, that is, the composite insulating cross arms 1 are arranged up and down, the composite insulating cross arms 1 are respectively vertically crossed with the wire pole 10, when the composite insulating cross arm 1 is fixed, the composite insulating cross arm 1 is fixed on the wire rod 10 by the fixing device 5 of the composite insulating cross arm 1.

Preferably, in the double vertical arrangement structure of the composite insulating cross arm 1 of the present embodiment, three composite insulating cross arms 1 are arranged side by side at the upper part of the wire rod 10.

Referring to fig. 7, in another preferred embodiment based on the above embodiment, the present embodiment provides a square-shaped layout structure of composite insulating cross arms, which includes a wire rod 10, the composite insulating cross arm 1 in the above embodiment is disposed on the wire rod 10, two composite insulating cross arms 1 are disposed on the upper portion of the wire rod 10, the composite insulating cross arms 1 are disposed along the horizontal direction, and the two composite insulating cross arms 1 are disposed side by side along the direction of disposing the wire rod 10, and the two composite insulating cross arms 1 respectively intersect the wire rod 10 perpendicularly; of the two composite insulating cross arms 1, the core 2 of the composite insulating cross arm 1 located on the upper side is disposed only on one side of the connecting member 4, that is, the length of the core 2 of the composite insulating cross arm 1 located on the upper side is half of the length of the core 2 of the composite insulating cross arm 1 located on the lower side, and it can be understood that the core 2 of the composite insulating cross arm 1 located on the upper side is cut by half. When the core body 2 of the composite insulating cross arm 1 positioned on the upper side is arranged, one end of the core body is arranged in the connecting piece 4 in a penetrating way, and the other end of the core body is connected with a wire fixing seat 3.

Specifically, the core 2 of the composite insulating cross arm 1 located on the upper side keeps an included angle of a preset angle with the horizontal plane, that is, the composite insulating cross arm 1 located on the upper side keeps an upward-rising angle of the preset angle, so as to ensure that the end part of the cross arm does not sag when being vertically loaded.

Referring to fig. 8, in particular, the horizontal plate 51 of the fixing device 5 of the composite insulating cross arm 1 on the upper side is raised by a predetermined angle, that is, the horizontal plate 51 of the fixing device 5 of the composite insulating cross arm 1 on the upper side is at a predetermined angle with respect to the horizontal plane, so that the horizontal plate 51 is raised by a certain angle, and preferably, the horizontal plate 51 is set at a raising angle of 1 ° to 5 °.

Referring to fig. 9, in another preferred embodiment based on the above embodiment, the present embodiment provides a triangular layout structure of composite insulating cross arms, which includes a wire rod 10, the composite insulating cross arm 1 in the above embodiment is disposed on the wire rod 10, wherein two suspension insulators 301 are disposed in the middle of the composite insulating cross arm 1, and the suspension insulators 301 are disposed along the horizontal direction and perpendicularly intersect with the composite insulating cross arm 1; the upper part of the composite insulating cross arm 1 is provided with a column insulator 30, and the column insulator 30 is arranged along the vertical direction and is vertically crossed with the composite insulating cross arm 1.

Specifically, the composite insulating cross arm 1 and the two suspension insulators 301 are disposed in the same plane, and the suspension insulators 301 and the composite insulating cross arm 1 are disposed perpendicular to each other, specifically, one suspension insulator 301 is connected to the fixing device 5 of the composite insulating cross arm 1 by a bolt, the other suspension insulator 301 is disposed on the other side of the wire rod 10, the two suspension insulators 301 are disposed opposite to each other, the other suspension insulator 301 is connected to a fixing plate 302, and the fixing plate 302 is connected to the fixing device 5 of the composite insulating cross arm 1 by a bolt. Meanwhile, the post insulator 30 is provided on the fixing plate 302, the post insulator 30 is provided in a vertical direction, and the post insulator 30 is provided to be perpendicular to another suspension insulator 301. It can be understood that the suspension insulator 301 and the composite insulating cross arm 1 arranged horizontally and the column insulator 30 arranged vertically form a triangular supporting structure for installing and fixing the wires, so that the structural stability can be greatly improved. The post insulator 30 is used to support a jumper.

Referring to fig. 10, in another preferred embodiment based on the above embodiment, the present embodiment provides a corner pole arrangement structure of a composite insulating cross arm, including a pole 10, the composite insulating cross arm 1 in the above embodiment is disposed on the pole 10, wherein two composite insulating cross arms 1 are disposed on an upper portion of the pole 10, one composite insulating cross arm 1 is disposed above the other composite insulating cross arm 1, and the two composite insulating cross arms 1 are disposed perpendicular to each other; a corner rod 20 is arranged on the fixing device 5 of each composite insulating cross arm 1.

Specifically, the corner posts 20 are fixed on the fixing device 5 of the composite insulating cross arm 1, each corner post 20 and one composite insulating cross arm 1 are positioned in the same plane, and the corner posts 20 and the composite insulating cross arm 1 are arranged perpendicular to each other, and an included angle of 90 degrees is kept between the two.

Specifically, it is also possible to provide a post-type composite insulator 201 on the wire-hanging end fitting of the composite insulating cross arm located above, the post-type composite insulator 201 being used to support the jumper wire.

It can be understood that, the composite insulating cross arm 1 is adopted in the above embodiments, the construction efficiency of each arrangement structure is greatly improved by adopting the composite insulating cross arm 1, and by adopting the composite insulating cross arm 1, the mechanical performance of the composite insulating cross arm 1 is strong, the product weight is low, the product cost is reduced, the cost is saved, and the arrangement structure is simple in form, reliable in connection and convenient and fast to assemble.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A composite insulating cross arm, comprising: the wire fixing seats are respectively arranged at two end parts of the core body and used for fixing wires; the outer sleeve is laid on the outer side wall of the core body and is arranged between the lead fixing seat and the connecting piece.

2. The composite insulating cross arm of claim 1, wherein the fixing device comprises a hoop yoke plate and a U-shaped hoop, the upper side of the hoop yoke plate is connected with the connecting piece, and the U-shaped hoop surrounds the wire pole and is bolted with the hoop yoke plate so as to connect the hoop yoke plate and the wire pole together.

3. The composite insulating cross arm of claim 2, wherein the hoop yoke plate comprises a vertical plate and a horizontal plate, the vertical plate is arranged along a vertical direction, and one side of the vertical plate is in contact with the wire rod; the horizontal plate is arranged at the upper end part of the other side of the vertical plate along the horizontal direction, and the horizontal plate and the vertical plate are mutually perpendicular and intersected to form an L-shaped structure.

4. The composite insulating cross arm of claim 3, wherein a support member is vertically arranged in the middle of one side of the vertical plate close to the wire pole, and the support member is of an M-shaped structure.

5. The composite insulating cross arm of claim 3, wherein a support plate is disposed between the vertical plate and the horizontal plate, and the support plate is connected to the middle portions of the vertical plate and the horizontal plate, respectively.

6. The composite insulating cross arm of claim 1, wherein a triangular through hole is provided in the middle of the connecting member, and the core is inserted into the triangular through hole.

7. The composite insulating cross arm of claim 6, wherein a middle portion of the lower side surface of the connecting member is provided with a coupling protrusion for coupling with the fixing means.

8. The composite insulating cross arm of claim 7, wherein the connecting protrusion is provided with a T-shaped mounting hole, and the T-shaped mounting hole is used for clamping a bolt.

9. The composite insulating cross arm of claim 1, wherein first sealing grooves are formed in outer side walls of two end portions of the connecting member, the first sealing grooves are formed along a circumferential direction of an outer side wall of the connecting member, and the first sealing grooves are used for clamping the outer sleeve.

10. The composite insulating cross arm of claim 1, wherein a triangular slot is formed at one end of the wire fixing seat, and the end of the core body is inserted into the triangular slot; and a second sealing groove is formed in the outer side wall of the triangular slot.

11. A dual vertical arrangement of composite insulated crossarms, comprising: the composite insulating cross arm as claimed in any one of claims 1 to 10 is arranged on the wire pole, at least two composite insulating cross arms are arranged on the upper part of the wire pole, the at least two composite insulating cross arms are arranged side by side along the arrangement direction of the wire pole, and the at least two composite insulating cross arms are respectively and vertically intersected with the wire pole.

12. A type arrangement structure on compound insulating cross arm, characterized by, includes: the compound insulating cross arm as claimed in any one of claims 1 to 10 is arranged on the wire pole, two compound insulating cross arms are arranged on the upper part of the wire pole side by side along the arrangement direction of the wire pole, and the two compound insulating cross arms are respectively and vertically intersected with the wire pole; wherein the content of the first and second substances,

13. The square-on-shape arrangement structure of composite insulating cross arms as claimed in claim 12, wherein the core of the composite insulating cross arm at the upper side is kept at a preset angle with a horizontal plane.

14. The square-on-shape arrangement structure of composite insulating cross arms as claimed in claim 13, wherein the horizontal plate of the fixing device of the composite insulating cross arm located at the upper side is raised by a preset angle.

15. A triangular arrangement structure of composite insulating cross arms is characterized by comprising: the compound insulating cross arm as claimed in any one of claims 1-10 is arranged on a wire pole, wherein two suspension insulators are arranged in the middle of the compound insulating cross arm, and the suspension insulators are arranged along the horizontal direction and vertically intersect with the compound insulating cross arm; the upper portion of compound insulating cross arm is provided with the column type insulator, the column type insulator sets up along vertical direction, and with compound insulating cross arm is crossing perpendicularly.

16. A corner pole arrangement structure of a composite insulating cross arm is characterized by comprising: a wire pole, wherein the composite insulating cross arm as claimed in any one of claims 1 to 10 is arranged on the wire pole, two composite insulating cross arms are arranged on the upper part of the wire pole, one composite insulating cross arm is arranged above the other composite insulating cross arm, and the two composite insulating cross arms are arranged perpendicular to each other; a corner rod is arranged on the fixing device of each composite insulating cross arm; and a column type composite insulator is arranged on the wire hanging end hardware fitting of the composite insulating cross arm above the wire hanging end hardware fitting, and is used for supporting a jumper wire.