CN220954914U

CN220954914U - Connecting piece and transformer framework

Info

Publication number: CN220954914U
Application number: CN202322785690.3U
Authority: CN
Inventors: 郁杰; 顾亚楠; 张鑫鑫
Original assignee: Jiangsu Shemar Electric Co Ltd
Current assignee: Jiangsu Shemar Electric Co Ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-14
Anticipated expiration: 2033-10-17

Abstract

The application discloses a connecting piece, comprising: the bottom plate is provided with a first plate surface and a second plate surface which are arranged opposite to each other; the first clamping plate and the second clamping plate are mutually spaced and are vertically arranged on the first plate surface, and an installable space is formed between the first clamping plate and the second clamping plate; the two first flanges are arranged on the second plate surface at intervals. The application also discloses a power transformation framework which comprises a supporting component, a beam component and a connecting piece, wherein the supporting component is fixedly connected with the first flange, and the beam component is fixedly connected between the first clamping plate and the second clamping plate. The connecting piece and the power transformation framework can reduce bending moment caused by bearing pressure, ensure the operation reliability of the power transformation framework and reduce the cost.

Description

Connecting piece and transformer framework

Technical Field

The application relates to the technical field of power transmission and transformation, in particular to a connecting piece and a transformation framework.

Background

The transformation framework is used as one of main equipment in a transformer substation and is used for hanging conductors, supporting conductors or switching equipment and other electrical equipment. The crossbeam in the current transformer framework is usually through flange to flange's connected mode and support column fixed connection, and materials are many, with high costs. And the support column of the conventional composite material power transformation framework is of a pure metal structure, and the space distance is not reasonably utilized, so that the span of the composite cross beam of the power transformation framework is increased. Therefore, in order to solve the above-mentioned problems, a new power transformation frame must be designed.

Disclosure of utility model

The application aims to provide a connecting piece and a power transformation framework, which can reduce bending moment caused by bearing pressure, ensure the operation reliability of the power transformation framework and reduce cost.

To achieve the above object, the present application provides a connector comprising: the bottom plate is provided with a first plate surface and a second plate surface which are arranged opposite to each other; the first clamping plate and the second clamping plate are mutually spaced and are vertically arranged on the first plate surface, and an installable space is formed between the first clamping plate and the second clamping plate; the two first flanges are arranged on the second plate surface at intervals.

Wherein, the face of first splint and the face of second splint are parallel to each other.

The connecting piece further comprises two first connecting lugs, wherein the two first connecting lugs are respectively located on the outer side plate surface of the first clamping plate far away from the second clamping plate and the outer side plate surface of the second clamping plate far away from the first clamping plate.

The connecting piece further comprises a side plate, wherein the side plate is vertically arranged on the bottom plate and is fixedly connected with the end parts of the first clamping plate and the second clamping plate, which are positioned on the same side.

Wherein, the connecting piece still includes the reinforcing plate, and the reinforcing plate is located on the first face and simultaneously fixed connection first splint and second splint, still leaves the certain distance between the opposite side that curb plate was kept away from to reinforcing plate and first splint and second splint, makes and keeps the mountable space between first splint and the second splint.

Wherein, the reinforcing plate is parallel to the side plate.

The connecting piece further comprises a second connecting lug, and the second connecting lug is located on the lateral plate and far away from the outer side plate surface of the first clamping plate.

And the other sides of the first clamping plate and the second clamping plate, which are far away from the side plates, are respectively provided with a plurality of first through holes.

Wherein, first flange includes first flange section of thick bamboo and first ring flange, and first flange section of thick bamboo sets up to hollow structure along the axial, and first flange section of thick bamboo's one end fixed connection is in the second face, and the other end closing cap has first ring flange, is equipped with a plurality of mounting holes on the first ring flange.

In order to achieve the above object, the present application also provides a power transformation frame, including: the support assembly is fixedly connected with the first flange, and the beam assembly is fixedly connected between the first clamping plate and the second clamping plate.

The beneficial effects of the application are as follows: compared with the prior art, the connecting piece is designed, the beam assembly and the connecting piece are fixedly connected in an inserting mode, under the same stress condition, the bending moment of the beam assembly can be reduced, and the material can be further reduced relative to the design of the flange butt flange, so that the cost is reduced; meanwhile, the moment from the hanging point of the power transformation framework to the supporting component can be effectively reduced. In addition, as the structural rigidity of the power transformation framework is improved and the offset is reduced, the stress reliability of each connecting part of the power transformation framework is effectively ensured, so that the operation reliability of the whole power transformation framework is ensured.

Drawings

For a clearer description of the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

Fig. 1 is a schematic perspective view of a power transformation frame 100 according to the present application;

FIG. 2 is an enlarged view of FIG. 1 at A;

Fig. 3 is a schematic perspective view of a connector 130 according to the present application;

FIG. 4 is a schematic perspective view of a third flange 1152 of the present application;

Fig. 5 is a schematic structural view of a first sub-beam 1210 according to the present application;

FIG. 6 is a schematic perspective view of a fourth flange 1211 according to the present application;

Fig. 7 is an enlarged view at B in fig. 1.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1 to 3, the present application provides a power transformation frame 100, which includes a support assembly 110, a beam assembly 120, and a connection member 130. The support assembly 110 includes a first support 111 and a second support 112 spaced apart along a first direction, the beam assembly 120 is disposed between the first support 111 and the second support 112, and includes a first end 121 and a second end 122 opposite to each other along the first direction, and the first end 121 and the second end 122 are disposed on the first support 111 and the second support 112, respectively, through the connection 130.

The connecting member 130 includes a base plate 131, a first clamping plate 132 and a second clamping plate 133, wherein the base plate 131 has a first plate surface and a second plate surface opposite to each other, the first clamping plate 132 and the second clamping plate 133 are spaced apart from each other and are vertically disposed on the first plate surface of the base plate 131, and the plate surfaces of the first clamping plate 132 and the second clamping plate 133 are parallel to each other, so that an installable space is formed between the first clamping plate 132 and the second clamping plate 133. The connecting piece 130 further includes a side plate 134, where the side plate 134 is vertically disposed on the bottom plate 131 and fixedly connected to the end portions of the first clamping plate 132 and the second clamping plate 133 on the same side, that is, the side plate 134 covers the end portions of the first clamping plate 132 and the second clamping plate 133 on the same side, so that the structures of the first clamping plate 132 and the second clamping plate 133 are stable. The side plate 134 is provided on the first plate surface or the side plate surface of the bottom plate 131, and may cover the first clamping plate 132 and the second clamping plate 133.

The connecting member 130 further includes a reinforcing plate 135, where the reinforcing plate 135 is vertically disposed on the first plate surface of the bottom plate 131 and fixedly connects the first clamping plate 132 and the second clamping plate 133 at the same time, specifically, the reinforcing plate 135 is disposed between the first clamping plate 132 and the second clamping plate 133 and parallel to the side plate 134, that is, the reinforcing plate 135 is disposed in a space formed by the first clamping plate 132, the second clamping plate 133 and the side plate 134, so as to further strengthen structural stability of the first clamping plate 132 and the second clamping plate 133. And, a certain distance is left between the reinforcing plate 135 and the other sides of the first clamping plate 132 and the second clamping plate 133 away from the side plates 134, so that a mountable space is continuously maintained between the first clamping plate 132 and the second clamping plate 133, and at this time, the first clamping plate 132, the second clamping plate 133 and the reinforcing plate 135 form a mountable space. The other sides of the first clamping plate 132 and the second clamping plate 133, which are far away from the side plates 134, are respectively provided with a plurality of first through holes 1321, and the first end 121 or the second end 122 of the beam assembly 120 is fixedly connected between the first clamping plate 132 and the second clamping plate 133 through the first through holes 1321, so that the beam assembly 120 is fixedly connected to the connecting member 130.

The connecting member 130 further includes two first flanges 136, where the two first flanges 136 are spaced apart from each other on the second surface of the bottom plate 131, that is, in the direction of fig. 1 and 3, the first clamping plate 132 and other structures are located on the top surface of the bottom plate 131 and are used for fixedly connecting the beam assembly 120; two first flanges 136 are located on the bottom surface of the bottom plate 131 for fixedly connecting the support assembly 110. The first flange 136 includes a first flange cylinder and a first flange plate, the first flange cylinder is axially configured as a hollow structure, one end of the first flange cylinder is fixedly connected to the second plate surface of the bottom plate 131, the other end is capped with the first flange plate, and a plurality of mounting holes are formed in the first flange plate. The connection 130 is fixedly coupled to the support assembly 110 by a first flange 136. The first flanges 136 are designed at a certain angle on the same connecting member 130, and the mounting angle of the first flanges matches the mounting angle of the supporting component 110.

Further, a plurality of first strengthening ribs are arranged on the peripheral surface of the first flange barrel along the circumferential direction, the first strengthening ribs are plate members, two adjacent side surfaces of the first strengthening ribs are simultaneously connected with the first flange barrel and the first flange plate, the overall stability of the first flange 136 is further enhanced, and the mechanical strength is improved.

The connecting piece 130 further includes two first connecting lugs 137 and two second connecting lugs 138, wherein the first connecting lugs 137 are respectively located on the outer side plate surface of the first clamping plate 132 far away from the second clamping plate 133, and the outer side plate surface of the second clamping plate 133 far away from the first clamping plate 132, and are used for fixedly connecting the wire inlet and outlet tension insulators (not shown), and then the wires are hung through the tension insulators. The second connecting lugs 138 are located on the outer side plate surface of the side plate 134 away from the first clamping plate 132, and are used for fixedly connecting the supporting assembly 110.

The connecting member 130 is made of metal material, such as aluminum alloy, stainless steel, etc., and each component may be formed separately and welded together, or may be formed integrally by casting.

The first supporting member 111 and the second supporting member 112 each include a plurality of supporting sections, which are gradually adjacent to and fixedly connected to the connecting member 130 in a bottom-to-top direction. In the present embodiment, the first support 111 includes three support sections, i.e., a first support section 113, a second support section 114, and a third support section 115, and the first support section 113, the second support section 114, and the third support section 115 are gradually adjacent to and fixedly connected to the connection member 130 in a bottom-to-top direction. Specifically, the first support section 113 and the second support section 114 are respectively and fixedly connected to the two first flanges 136, and the third support section 115 is fixedly connected to the second connecting lug 138, so that the first support member 111 is integrally arranged in a triangular manner, that is, the space between the first support section 113, the second support section 114 and the third support section 115 forms a triangular pyramid body with the connecting member 130 as a vertex, and the structural stability of the first support member 111 is enhanced.

The first support section 113 includes a composite section 1131 and a metal section 1132, the composite section 1131 is a composite post insulator, and the composite section 1131 includes an insulator and an umbrella skirt wrapped around the insulator. Specifically, the insulator may be a solid insulating core body or a hollow insulating tube, where when the insulator is a solid insulating core body, it may be a solid core rod formed by winding glass fiber or aramid fiber impregnated epoxy resin, or formed by pultrusion or pultrusion winding, and when the insulator is a hollow insulating tube, it may be a hollow pultrusion tube formed by winding glass fiber or aramid fiber impregnated epoxy resin, or a glass fiber reinforced plastic tube formed by winding glass fiber impregnated epoxy resin, or formed by winding pultrusion, or an aramid fiber tube formed by winding aramid fiber impregnated epoxy resin, which is not limited herein.

The insulator both ends cover of compound section 1131 is equipped with second flange 1133, and second flange 1133 includes a second flange section of thick bamboo and second ring flange, and a second flange section of thick bamboo sets up to hollow structure and overlaps the tip of locating the insulator along the axial, and the second ring flange closing cap second flange section of thick bamboo is kept away from compound section 1131's one side, is equipped with a plurality of mounting holes on the second ring flange. One end of the composite section 1131 is fixedly connected with the metal section 1132 through a mounting hole, and the other end of the composite section 1131 is correspondingly matched with the mounting hole on the first flange 136 through the mounting hole and then is fixedly installed, so that the first support section 113 is fixedly connected with the connecting piece 130. Meanwhile, a plurality of second reinforcing ribs are arranged on the outer peripheral surface of the second flange barrel along the circumferential direction, the structure of the second flange barrel is similar to that of the first reinforcing ribs, and the mechanical strength of the second flange 1133 is further enhanced without repeated description.

The metal section 1132 includes a plurality of metal cylinders connected to each other, and the metal cylinders are fixedly connected by flanges, or are fixedly welded, one end of the metal section 1132 is fixedly connected to the composite section 1131, and the other end is used for being supported on the ground to support the beam assembly 120. Of course, the metal section 1132 may also be a metal tube of a through length, which is not limited herein.

The structure and the material of the second supporting section 114 are the same as those of the first supporting section 113, and will not be described again. The third support section 115 is different from the first support section 113 in that, two ends of an insulator of the composite section 1151 of the third support section 115 are respectively sleeved with a second flange 1133 and a third flange 1152, and as shown in fig. 2 and 4, the third flange 1152 includes a third flange cylinder 11521, a third flange 11522 and two first inserting plates 11523, the third flange cylinder 11521 is axially arranged to be a hollow structure, the third flange 11522 covers one side of the third flange cylinder 11521 far away from the composite section 1151, the two first inserting plates 11523 are arranged on one side of the third flange 11522 far away from the composite section 1151 at intervals and are used for being inserted on two sides of the second connecting lugs 138, and the third support section 115 is fixedly connected with the connecting piece 130 by penetrating fasteners. Meanwhile, a third reinforcing rib 11524 is further arranged on the outer side surface of the first inserting plate 11523, and the third reinforcing rib 11524 is simultaneously connected with the first inserting plate 11523 and the third flange 11522, so that the structural stability of the third flange 1152 is further enhanced.

With continued reference to fig. 1, a first auxiliary member 1110 is further disposed between the first support segment 113, the second support segment 114 and the third support segment 115, the first auxiliary member 1110 is disposed between the three metal segments of the three support segments, and the first auxiliary member 1110 is also a metal member and is simultaneously fixed to the three metal segments by welding, so as to further connect the first support segment 113, the second support segment 114 and the third support segment 115 together. The provision of the first auxiliary member 1110 makes the spatial structure of the triangular pyramid between the first support section 113, the second support section 114 and the third support section 115 more stable, and can better support the beam assembly 120. And, the first auxiliary member 1110 may be provided in one, two or other numbers according to practical application, as long as the supporting requirement is satisfied.

Unlike the first supporting member 111, the second supporting member 112 includes only two supporting sections, which are gradually adjacent to each other in the bottom-to-top direction and are fixedly connected to the two first flanges of the connecting member, respectively, that is, the two supporting sections are disposed in a V-shape therebetween to support the beam assembly 120. The structure and the material of the two support sections are identical to those of the first support section 113, and are not described again. And, be equipped with second auxiliary member 1120 between two supporting sections, second auxiliary member 1120 is fixed simultaneously on two supporting sections through the welding mode, links together two supporting sections, can support beam assembly 120 better.

Referring to fig. 1, 2, 5 and 6, the beam assembly 120 includes a first sub-beam 1210 fixedly connected to the first supporting member 111 and a second sub-beam 1220 fixedly connected to the second supporting member 112, wherein an end of the first sub-beam 1210 adjacent to the first supporting member 111 is the first end 121 of the beam assembly 120, and an end of the second sub-beam 1220 adjacent to the second supporting member 112 is the second end 122 of the beam assembly 120. The other end of the first sub-beam 1210 remote from the first support 111 is interconnected with the other end of the second sub-beam 1220 remote from the second support 112.

In this embodiment, the first sub-beam 1210 is also a composite post insulator, and the specific structure and materials are similar to those of the composite section 1131, and will not be described again. The insulator two ends of the first sub-beam 1210 are respectively sleeved with a fourth flange 1211 and a fifth flange 1212 to realize the installation of the first sub-beam 1210, that is, the fourth flange 1211 connected with one end of the first sub-beam 1210 is used for fixedly connecting the first sub-beam 1210 with the connecting piece 130, and the fifth flange 1212 connected with the other end of the first sub-beam 1210 is used for fixedly connecting the first sub-beam 1210 with the second sub-beam 1220. The first sub-beam 1210 is sleeved with a fourth flange 1211, wherein one end of the fourth flange 1211 is a first end 121, the fourth flange 1211 includes a fourth flange cylinder 12111, a fourth flange plate 12112, and two second inserting plates 12113, the fourth flange cylinder 12111 is axially arranged to be a hollow structure, the fourth flange plate 12112 covers one side of the fourth flange cylinder 12111 far away from the beam assembly 120, and the two second inserting plates 12113 are arranged on one side of the fourth flange plate 12112 far away from the beam assembly 120 and are used for fixedly connecting with the connecting piece 130. Specifically, the two second inserting plates 12113 are respectively attached to the inner plate surface of the first clamping plate 132 near the second clamping plate 133, and the second clamping plate 133 near the inner plate surface of the first clamping plate 132, the two second inserting plates 12113 are provided with a plurality of second through holes 12114 corresponding to the first through holes 1321 on the first clamping plate 132 and the second clamping plate 133, and the plurality of first through holes 1321 are correspondingly matched with the plurality of second through holes 12114 and then are penetrated by fasteners so as to fixedly connect the two second inserting plates 12113 with the first clamping plate 132 and the second clamping plate 133, so that the fourth flange 1211 is connected to the connecting piece 130 in a plugging and fixing manner, that is, the first sub-beam 1210 is connected to the connecting piece 130 in a plugging and fixing manner. Compared with the traditional flange-to-flange connection mode, the plugging and fixing mode can enable the power transformation framework 100 to reduce bending moment of the beam assembly 120, materials and cost under the same stress condition.

The fifth flange 1212 includes a fifth flange cylinder axially disposed as a hollow structure and a fifth flange plate closing off a side of the fifth flange cylinder remote from the first sub-beam 1210.

In this embodiment, the second sub-beam 1220 is also a composite post insulator, and the specific structure and materials are the same as those of the first sub-beam 1210, and will not be described again. One end of the second sub-beam 1220 sleeved with a fourth flange 1211 is the second end 122, the fourth flange 1211 is used for fixedly connecting the second sub-beam 1220 with the connecting piece 130 in a plugging manner, and the fifth flange 1212 connected with the other end of the second sub-beam 1220 is used for being matched and connected with the fifth flange 1212 connected with the other end of the first sub-beam 1210 so as to fixedly connect the second sub-beam 1220 with the first sub-beam 1210.

As shown in fig. 1 and 7, a wire hanging plate 1201 is further disposed between the first sub-beam 1210 and the second sub-beam 1220, and a mounting hole for fixedly connecting the wire hanging plate 1201 with the fifth flange of the fifth flange 1212 and a wire hanging hole for hanging wires are disposed on the wire hanging plate 1201.

In this embodiment, since the portion of the support assembly 110 near the beam assembly 120 and the beam assembly 120 are both composite post insulators, the connection members 130 can also be used as wire hanging points, so that two wire hanging points are formed on the two connection members 130 at two ends of the beam assembly 120, and only one wire hanging point needs to be set on the beam assembly 120, so that three-phase wires can be hung. Compared with the traditional support assembly which is of an all-metal structure, three hanging wire points are required to be arranged on the beam assembly, the span of the beam assembly 120 can be smaller, and the cost is reduced.

In other embodiments, the beam assembly further includes an intermediate sub-beam (not shown) connected to the first sub-beam and the second sub-beam, the intermediate sub-beam is also a composite post insulator, and both ends of the insulator of the intermediate sub-beam are respectively sleeved with a fifth flange, so that the intermediate sub-beam is fixedly connected to the first sub-beam and the second sub-beam respectively, and a wire hanging plate is arranged between the intermediate sub-beam and the first sub-beam and between the intermediate sub-beam and the second sub-beam, and is used for hanging wires, so as to adapt to the hanging of the multiphase wires.

Of course, the number of the middle sub-beams is not limited to one, two or more middle sub-beams can be provided, a plurality of middle sub-beams are connected with each other, and a wire hanging plate can be arranged between the middle sub-beams and used for hanging wires, and the wire hanging plate is arranged according to the actual application scene of the power transformation framework, so that the power transformation framework is not limited.

The supporting component 110 and the beam component 120 adopt the structure of the composite post insulator, so that the height of the power transformation framework 100 can be effectively reduced, the width of the power transformation framework 100 and the land-marking cost are reduced, the steel pipe supporting and foundation engineering quantity is reduced, the corresponding transportation and installation cost is reduced, and the investment is saved; the method is more beneficial to saving and utilizing national resources; compared with steel components, the composite material product has low production energy consumption and reduces environmental pollution; meanwhile, the composite material is easy to process, has adjustable color, can coordinate with the environment, and can enhance the environmental friendliness of the circuit; the maintenance-free target in the whole life cycle is realized, and the simplicity of operation and maintenance of the power station framework module is greatly improved. In addition, the supporting component 110 and the beam component 120 are composite post insulators, have higher bending resistance and compressive strength, and when the vertical load is overlarge, the beam component 120 has smaller deformation, so that the vertical offset of the hanging line of the beam component 120 is effectively controlled. Meanwhile, the transformer framework 100 of the application eliminates the potential safety hazards of pollution flashover and rain flashover by virtue of the excellent external insulation performance, and improves the safe operation level of the transformer substation.

And the beam assembly 120 is fixedly connected with the connecting piece 130 in an inserting manner, so that under the same stress condition, the bending moment of the beam assembly 120 can be reduced, and the materials can be further reduced relative to the design of the flange butt flange, so that the cost is reduced; and at the same time, the moment from the hanging point of the power transformation frame 100 to the supporting component 110 can be effectively reduced. In addition, as the structural rigidity of the power transformation frame 100 is improved and the offset is reduced, the stress reliability of each joint of the power transformation frame 100 is effectively ensured, so that the operation reliability of the whole power transformation frame 100 is ensured.

The foregoing description is only of embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent principle changes made by the specification and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the present application.

Claims

1. A connector, comprising:

The bottom plate is provided with a first plate surface and a second plate surface which are arranged opposite to each other;

The first clamping plate and the second clamping plate are mutually spaced and are vertically arranged on the first plate surface, and an installable space is formed between the first clamping plate and the second clamping plate;

The two first flanges are arranged on the second plate surface at intervals.

2. The connector of claim 1, wherein the faces of the first and second clamping plates are parallel to each other.

3. The connector of claim 1, further comprising two first connecting lugs, the two first connecting lugs being located on the first clamping plate and away from the outer side plate of the second clamping plate, respectively.

4. The connector of claim 1, further comprising a side plate vertically disposed on the bottom plate and fixedly connecting the ends of the first clamping plate and the second clamping plate on the same side at the same time.

5. The connector of claim 4, further comprising a reinforcing plate disposed on the first panel and fixedly connecting the first clamping plate and the second clamping plate at the same time, wherein a distance is left between the reinforcing plate and the other side of the first clamping plate and the second clamping plate away from the side plate, so that the mountable space is maintained between the first clamping plate and the second clamping plate.

6. The connector of claim 5, wherein the reinforcing plate is disposed parallel to the side plates.

7. The connector of claim 4, further comprising a second connector lug located on the side panel distal from the outer panel face of the first cleat.

8. The connector of claim 4, wherein the first clamping plate and the second clamping plate are each provided with a plurality of first through holes on the other side away from the side plate.

9. The connector of claim 1, wherein the first flange comprises a first flange cylinder and a first flange plate, the first flange cylinder is arranged to be hollow along the axial direction, one end of the first flange cylinder is fixedly connected to the second plate surface, the other end of the first flange cylinder is covered with the first flange plate, and a plurality of mounting holes are formed in the first flange plate.

10. A power transformation framework, comprising: a support assembly fixedly connected to the first flange, a beam assembly fixedly connected between the first clamp plate and the second clamp plate, and a connector according to any one of claims 1 to 9.