CN216949704U - Composite power transformation framework - Google Patents
Composite power transformation framework Download PDFInfo
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- CN216949704U CN216949704U CN202220136201.4U CN202220136201U CN216949704U CN 216949704 U CN216949704 U CN 216949704U CN 202220136201 U CN202220136201 U CN 202220136201U CN 216949704 U CN216949704 U CN 216949704U
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Abstract
The application discloses compound transformer framework includes: the composite beam assembly comprises a post composite insulator and at least two line composite insulators, wherein one end of each line composite insulator is fixedly connected to the post composite insulator; the composite beam assembly fixing frame is arranged on the supporting assembly; the end supports are arranged in one-to-one correspondence with the line composite insulators, one end of each end support is fixedly connected to the supporting assembly, the other end of each end support is fixedly connected with the other end of each line composite insulator, and the end supports are symmetrically distributed at two ends of the composite beam assembly. This application utilizes the mode of pillar composite insulator and the combination of circuit composite insulator, guarantees the support intensity and the reinforcing stability of compound transformer framework, and this compound mode can reduce composite beam assembly's use specification simultaneously, can reduce cost.
Description
Technical Field
The utility model relates to the technical field of power transformation equipment, in particular to a composite power transformation framework.
Background
With the rapid development of electric power utilities in China, a large number of transformer substations are built. In a substation, a substation frame plays roles of supporting electrical equipment, bearing tension of a lead and the like, and is one of the most important buildings in the substation. The inventor of the application finds that some composite power transformation frameworks appear in the current market in long-term research, and the problems that a traditional steel or cement power transformation framework is prone to wind deflection jumper wires, large in occupied area and the like are improved to a certain extent; however, to achieve good mechanical properties, the composite power transformation frame needs to have a larger diameter specification, resulting in higher material costs for the composite power transformation frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound beam assembly and compound transformer framework can improve the support intensity and the structural stability of compound transformer framework, can also reduce cost simultaneously.
In order to solve the above problems, the present application adopts a technical solution that: there is provided a composite power transformation architecture comprising: the composite beam assembly comprises a post composite insulator and at least two line composite insulators, and one end of each line composite insulator is fixedly connected to the post composite insulator; the composite beam assembly fixing frame is arranged on the supporting assembly; the end supports are arranged in one-to-one correspondence with the line composite insulators, one end of each end support is fixedly connected to the supporting assembly, the other end of each end support is fixedly connected with the other end of each line composite insulator, and the end supports are symmetrically distributed at two ends of the composite beam assembly.
The composite beam assembly comprises a pillar composite insulator and two line composite insulators; and one ends of the two line composite insulators are fixedly connected to the middle part of the post composite insulator, and the other ends of the two line composite insulators are respectively and fixedly connected to one end part support.
The axes of the two line composite insulators and the axis of the pillar composite insulator are located on the same vertical plane.
The composite beam assembly comprises a pillar composite insulator and four line composite insulators; one ends of the four line composite insulators are fixedly connected to the middle of the post composite insulator.
The four line composite insulators are symmetrically arranged along the vertical plane where the axis of the pillar composite insulator is located.
The composite beam assembly comprises two pillar composite insulators and six line composite insulators; the two pillar composite insulators are connected with each other, and one ends of the six line composite insulators are fixedly connected to the end portions of the pillar composite insulators, which are connected with each other.
The axes of the four line composite insulators and the axes of the pillar composite insulators are located on the same horizontal plane, and the axes of the other two line composite insulators and the axes of the pillar composite insulators are located on the same vertical plane.
Wherein, the end part of the two support composite insulators which are connected with each other is used for hanging the conducting wire.
The supporting assembly comprises at least two supporting pieces, and two ends of the composite beam assembly are fixedly connected with the two supporting pieces through flange assemblies respectively.
Wherein, a plurality of wiring boards are arranged on the post composite insulator at intervals and used for hanging wires.
The beneficial effect of this application is: this application provides tensile crossbeam for a plurality of directions through the crossbeam structural optimization of single horizontal direction atress among the compound transformer framework among the prior art, mutually supports through pillar composite insulator and cable-stayed composite insulator, and the supporting power of full play pillar composite insulator and the tensile strength who draws composite insulator to one side can also guarantee lower cost under the circumstances that increases support strength and structural stability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of an embodiment of a composite power transformation framework 1000 provided by the present application;
fig. 2 is an enlarged, fragmentary, schematic view of the composite power transformation architecture 1000 of fig. 1;
fig. 3 is a schematic structural diagram of another embodiment of a composite power transformation architecture 1000 provided in the present application;
fig. 4 is a schematic structural diagram of another embodiment of a composite power transformation framework 1000 provided by the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a composite power transformation framework 1000 includes a composite beam assembly 100, a support assembly 200, an end support 300, and a flange assembly 400. Both the composite beam assembly 100 and the end support 300 are fixedly connected to the support assembly 200 by a flange assembly 400, wherein the composite beam assembly 100 is used for hanging wires. Specifically, two ends of the composite cross beam assembly 100 are respectively fixedly connected with two flange assemblies 400, one end of the end support 300 is also fixedly connected with the flange assemblies 400, and meanwhile, the flange assemblies 400 are fixedly connected with the support assembly 200, so that the composite cross beam assembly 100, the end support 300 and the support assembly 200 are mutually and fixedly connected.
Preferably, the first connecting member 111 is sleeved on the middle portion of the post composite insulator 101, so that the composite beam assembly 100 can have a symmetrical structure with balanced stress. The first connecting piece 111 can be fixed on the composite post insulator 101 by cementing, specifically, the composite post insulator 101 includes an insulating tube and an umbrella skirt, the insulating tube is a glass fiber insulating tube, the umbrella skirt is a rubber umbrella skirt, and the umbrella skirt is wrapped outside the glass fiber insulating tube by cementing injection process. The first connecting member 111 is sleeved on the periphery of the glass fiber insulating tube, and meanwhile, the connecting part of the first connecting member 111 and the glass fiber insulating tube is covered by the rubber shed in a sealing manner so as to ensure good electrical insulating performance of the post composite insulator 101. In other embodiments, the number of the first connecting members may be multiple, and the first connecting members are respectively hung at different positions on the composite insulator of the pillar for hanging the multi-phase wires, and the specific number is based on actual requirements and is not limited herein.
Preferably, the line composite insulators 102 are disposed above the post composite insulators 101, and two line composite insulators 102 are disposed in the vertical direction, so as to provide a pulling force in the vertical direction, overcome the force generated in the vertical direction by the self weight of the post composite insulators 101 and the gravity of a wire to a certain extent, and eliminate the vertical sag of the composite cross beam assembly 100.
Of course, in other embodiments, the line composite insulator may be fixedly connected to any position of the post composite insulator far from the end of the post composite insulator, and the line composite insulator may be disposed at the same height of the post composite insulator. The connection position between the line composite insulator and the post composite insulator is not particularly limited based on the actual requirements.
The line composite insulator 102 has excellent tensile property, can well bear the tensile force of incoming and outgoing lines under the condition of smaller specification and size, and does not have brittle failure. The post composite insulator 101 has good bending resistance and sufficient support strength. The two are used in a matching way, so that respective advantages can be fully exerted, and the maximum effect is realized.
A plurality of end supports 300 are provided in one-to-one correspondence with the line composite insulators 102, i.e., one end support 300 is connected to each line composite insulator 102. One end of the end support 300, which is far from the line composite insulator 102, is fixedly connected to the support assembly 200, and the other end of the line composite insulator 102 is fixedly connected to the other end of the corresponding end support 300 through an end fitting. The end supports 300 are disposed perpendicular to the post composite insulators 101 so as to support the corresponding line composite insulators 102. A plurality of end supports 300 are symmetrically distributed across the composite beam assembly 100 so as to correspondingly support the symmetrically distributed line composite insulators 102 while providing a symmetrical structure to the composite beam assembly 100. In other embodiments, the beam assembly may have an asymmetric structure if desired, and the end supports may be distributed asymmetrically on the beam assembly, for practical purposes, and are not limited herein.
Preferably, the axes of the two line composite insulators 102 and the axis of the post composite insulator 101 are located on the same vertical plane, so that the stress between the two lines is in the same direction, the internal acting force caused by the different stress directions of the two lines is avoided, and the bearing capacity of the structure can be fully utilized.
Further, referring to fig. 1 and 2, in order to hook a wire, the power transformation framework 1000 further includes two second wire hanging plates 112, the two second wire hanging plates 112 are respectively disposed at the connection positions of the post composite insulator 101 and the two flange assemblies 400, and are clamped between the flange 1011 at the end of the post composite insulator 101 and the flange assemblies 400, the second wire hanging plates 112 are provided with a plurality of wire hanging holes 1110, and the wire hanging holes 1110 are used for hanging a wire. Because the post composite insulator 101 and the first supporting portion 211 are both made of composite insulating materials and have good insulating performance, the wires can be directly hung on the first wire hanging plate 112 through wire hanging hardware fittings.
The support assemblies 200 are arranged at intervals along the first direction, each support assembly 200 comprises two support columns 210, each support column 210 comprises a first support part 211 and a second support part 212, and the first support part 211 is made of a composite insulating material. The two support columns 210 are respectively connected with the flange assembly 400, the plane of the axes of the two support columns 210 is perpendicular to the first direction, and an included angle of 5-70 degrees is formed between the two support columns 210.
Further, in the two support assemblies 200 fixedly connected to the ends of the composite cross beam assembly 100, one support assembly 200 further includes an auxiliary support column 220, the auxiliary support column 220 includes an insulating section 221 and a metal section 222, the insulating section 221 and the metal section 222 are fixedly connected to each other, and the insulating section 221 and the first support portion 211 are connected to each other through a flange assembly 400. The insulating section 221 is a composite insulating material. The auxiliary support posts 220 are located out of the plane of the two support posts 210 to limit displacement of the composite power transformation frame 1000 in the first direction. The auxiliary supporting columns 220 are provided with crawling ladders, so that the requirement that people must be arranged in the power transformation framework specification is met. In other embodiments, the two support assemblies may be provided with auxiliary support columns, which is not limited herein in detail, according to practical requirements.
Of course, in other embodiments, the power transformation framework may also include three or more support assemblies, two ends of the composite beam assembly are erected on two support assemblies, and other support assemblies are simultaneously supported at positions other than the ends of the composite beam assembly, that is, the composite beam assembly is erected on a plurality of support assemblies, so as to provide better support for the composite beam assembly, and the power transformation framework is not specifically limited herein.
Since the power transformation frame 1000 mainly receives a horizontal tension in addition to the gravity of the wire, the line composite insulator 102 may be provided in the horizontal direction in order to enhance the horizontal tension capability of the power transformation frame 1000. Specifically, in one embodiment, as shown in fig. 3, composite beam assembly 100 includes one post composite insulator 101 and four line composite insulators 102. Specifically, the plane where the axis of the post composite insulator 101 and the center line of the support assembly 200 are located divides the space into a first side and a second side, and the first side and the second side are both provided with two line composite insulators 102. The one end of four line composite insulators 102 all fixed connection on post composite insulator 101, four line composite insulators 102 levels and centrosymmetric sets up in post composite insulator 101 both sides, the axis of four line composite insulators 102 and the axis of post composite insulator 101 are located same horizontal plane and set up along the vertical plane symmetry at post composite insulator 101 axis place, such structure can make line composite insulator 102 share the power of horizontal direction for post composite insulator 101 better, thereby reduce the size specification of post composite insulator 101, reduce cost.
In order to support the line composite insulators 102, the power transformation framework 1000 further includes four end supports 300, the other ends of the four line composite insulators 102 far away from the post composite insulator 101 are respectively connected to the four end supports 300, and the other ends of the line composite insulators 102 are fixedly connected to the ends of the composite beam assembly 100 through the end supports 300. Specifically, end support 300 is disposed perpendicular to post composite insulator 101, and the axis of end support 300 is located in the same horizontal plane as the axis of line composite insulator 102 and the axis of post composite insulator 101.
Although the force borne by the power transformation framework 1000 is mainly in the horizontal direction, the self weight of the composite beam assembly 100 and the weight of the hardware and the wires hooked on the composite beam assembly 100 still need to be borne in the vertical direction, and these vertical forces can cause the composite beam assembly 100 to sag downward. When the sag is large, the ground distance of a lead hooked on the composite beam assembly 100 is possibly smaller than the standard safety distance, so that the vertical sag is eliminated in order to ensure the safety of a hanging wire, the composite beam assembly 100 can be set to be a pre-arch structure, namely, the two ends of the composite beam assembly 100 are low, the middle of the composite beam assembly is high, and the sag generated due to stress is offset in the original structural design.
To further improve the load carrying capacity of the power transformation framework 1000, in an embodiment, referring to fig. 4, the composite beam assembly 100 includes six line composite insulators 102 and two post composite insulators 101, and the two post composite insulators 101 are connected to each other to form an insulating beam 110. The end of the two post composite insulators 101 connected to each other is used for hanging a wire. Specifically, end flanges 1011 are disposed at two ends of each post composite insulator 101, and the two post composite insulators 101 are fixedly connected through the end flanges 1011. In order to hook the wires, the composite cross beam assembly 100 further comprises a third wire hanging plate 113, the third wire hanging plate 113 is clamped between two end flanges 1011 connected with each other, and the third wire hanging plate 113 is provided with a hanging hole.
Preferably, line composite insulator 102 is fixedly attached to the middle of insulating cross member 110, i.e. line composite insulator 102 is fixedly attached to the joint where two post composite insulators 101 are connected to each other. Specifically, both ends of the line composite insulator 102 are provided with end fittings, the end flange 1011 is provided with a hanging piece, and the line composite insulator 102 is fixedly connected to the hanging piece of the end flange 1011 through the end fittings. The line composite insulator 102 is fixedly connected to the middle of the insulating beam 110, which is beneficial to increasing the moment of the line composite insulator 102 and fully utilizing the tensile capacity of the line composite insulator 102.
The axes of the four line composite insulators 102 and the axis of the post composite insulator 101 are located in the same horizontal plane and used for providing horizontal tension; the axes of the other two line composite insulators 102 and the axis of the post composite insulator 101 are located in the same vertical plane. The two line composite insulators 102 are arranged in the vertical direction, so that pulling force can be provided in the vertical direction, the force generated in the vertical direction by the self weight of the insulating cross beam 110 and the gravity of the wire can be overcome to a certain extent, and the vertical sag of the insulating cross beam 110 is eliminated. Certainly, in other embodiments, the center lines of the four line composite insulators and the center lines of the two insulating cross beams can also be located on the same curved surface, and by the arrangement, the overall stress of the cross beam assembly can be optimized, so that the structure is more stable.
It should be noted that each beam assembly 100 is provided with three or a multiple of three wire hanging points, for example, three, six, or nine wire hanging points. Three adjacent wire hanging points are respectively hung with A, B, C three-phase wires, and the A, B, C three phases need to ensure enough in-phase electrical safety distance. In addition, a safe electrical distance between phases needs to be ensured between each loop (one loop comprises A, B, C three phases). Specifically, the wire hanging point may be directly disposed on the composite post insulator, or the hanging point may be disposed on a connection node between the composite post insulators, which is selected according to actual situations, and is not limited herein.
In summary, the composite cross beam assembly is added with the line composite insulator to improve the overall bearing capacity of the composite cross beam assembly, and the line composite insulator is arranged in the incoming and outgoing line direction (perpendicular to the first direction and perpendicular to the plane of each support column) to share the horizontal stress of the support column composite insulator; by arranging the line composite insulator in the vertical direction, the longitudinal stress of the post composite insulator can be reduced to a certain extent, and the sag is eliminated; the tensile property of the line composite insulator and the compression resistance of the post composite insulator are fully utilized, the mechanical strength of the composite beam assembly is guaranteed under the condition that the large-size post composite insulator is not needed, the production cost can be further controlled, and the economical efficiency of the composite power transformation framework is improved.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A composite power transformation framework, comprising:
the composite beam assembly comprises a post composite insulator and at least two line composite insulators, and one end of each line composite insulator is fixedly connected to the post composite insulator;
the composite beam assembly fixing frame is arranged on the supporting assembly;
a plurality of with the tip that line composite insulator one-to-one set up supports, every the one end fixed connection that the tip supported in on the supporting component, the other end with line composite insulator's other end fixed connection, a plurality of the tip supports symmetric distribution in composite beam assembly both ends.
2. A composite power transformation framework according to claim 1, wherein said composite beam assembly comprises one said post composite insulator and two said line composite insulators;
and one end of each of the two line composite insulators is fixedly connected to the middle part of the support post composite insulator, and the other end of each of the two line composite insulators is fixedly connected to one end part support.
3. A composite power transformation framework according to claim 2, wherein the axes of both said line composite insulators and said post composite insulators are located on the same vertical plane.
4. A composite power transformation framework according to claim 1, wherein said composite beam assembly comprises one said post composite insulator and four said line composite insulators;
and one end of each of the four line composite insulators is fixedly connected to the middle part of the post composite insulator.
5. A composite power transformation framework according to claim 4, wherein four of said line composite insulators are symmetrically disposed along a vertical plane on which an axis of said post composite insulator is disposed.
6. A composite power transformation framework according to claim 1, wherein said composite beam assembly comprises two said post composite insulators and six said line composite insulators;
two interconnect between the pillar composite insulator, six the equal fixed connection in two of one end of circuit composite insulator the tip of pillar composite insulator interconnect.
7. A composite power transformation framework according to claim 6, wherein the axes of four of said line composite insulators and the axes of said post composite insulators are located on the same horizontal plane, and the axes of two other of said line composite insulators and the axes of said post composite insulators are located on the same vertical plane.
8. A composite power transformation framework according to claim 6, wherein the ends of the two said post composite insulators interconnected are adapted for hanging wires.
9. A composite power transformation framework according to claim 1, wherein said support assembly comprises at least two support posts, and wherein two ends of said composite beam assembly are fixedly connected to said two support posts by flange assemblies, respectively.
10. A composite power transformation framework according to claim 1, wherein said post composite insulators are provided with a plurality of wire hanging plates at intervals for hanging wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136201.4U CN216949704U (en) | 2022-01-18 | 2022-01-18 | Composite power transformation framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136201.4U CN216949704U (en) | 2022-01-18 | 2022-01-18 | Composite power transformation framework |
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| Publication Number | Publication Date |
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| CN216949704U true CN216949704U (en) | 2022-07-12 |
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| CN202220136201.4U Active CN216949704U (en) | 2022-01-18 | 2022-01-18 | Composite power transformation framework |
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