Split type flange

Abstract

The utility model relates to the technical field of flanges, in particular to a split type flange which comprises a pouring flange, a fixed flange and a rotating flange. A pouring hole is formed in the outer side wall of the pouring flange; one end of the fixed flange is in contact with the pouring flange, and the other end of the fixed flange is operably associated with a cabinet flange; the rotary flange is arranged at the connection position of the pouring flange and the fixed flange in a sleeved mode, the rotary flange is operably connected with the pouring flange through a connecting structure, and the rotary flange is operably connected with the fixed flange through a connecting structure. The purpose of the utility model is that when an adapter is installed, any structure and parts of a cabinet body are not changed, and a core-through CT can be directly inserted on site, thereby greatly reducing installation and damage risks.

Description

Technical Field

[0001] This utility model relates to the technical field of flanges, specifically a split flange. Background Technology

[0002] In modern, high-tech substations, the power transmission method for the main transformer switchgear connection has changed from exposed copper busbars to fully insulated copper conduit busbars. For terminal connections, especially at 35kV voltage levels, due to cabinet structure limitations, the original exposed copper busbars have been replaced with gas-insulated switchgear. For 35kV / 2500A-3150A cabinets, specially designed fully insulated tubular busbars are used for wiring. Integrating the #4 plug into the insulated busbar perfectly solves this problem. The #4 internal cone gas-insulated switchgear has a compact cabinet structure, and the placement of double-layer CTs makes it impossible for the plug-in flange to pass through. This necessitates a customized flange structure to replace the original fixing method. Traditional solutions require sending the CT to the busbar manufacturer in advance and fitting it before flange casting, which involves CT casting, flange transportation, and carries the risk of CT damage. Utility Model Content

[0003] In view of the deficiencies of the prior art, this utility model provides a split flange, the purpose of which is to allow the installation of the adapter without altering any structure or components of the cabinet, and to allow direct insertion of the through-core CT on site, greatly reducing the risk of installation and damage.

[0004] To achieve the above objectives, the present invention provides a split flange, comprising a casting flange, a fixed flange, and a rotating flange; the outer wall of the casting flange is provided with a casting hole; one end of the fixed flange is in contact with the casting flange, and the other end is operably associated with the cabinet flange; the rotating flange is sleeved at the connection between the casting flange and the fixed flange, and the rotating flange is operably associated with the casting flange through a connecting structure, and the rotating flange is operably associated with the fixed flange through a connecting structure.

[0005] Furthermore, the rotating flange has four first threaded holes on the side near the casting flange, and the four first threaded holes are arranged diagonally in pairs. The rotating flange also has four second threaded holes on the side near the fixed flange, and the four second threaded holes are arranged diagonally in pairs.

[0006] Furthermore, a third threaded hole is provided at the position corresponding to the first threaded hole on the casting flange; a threaded through hole is provided at the position corresponding to the second threaded hole on the fixed flange.

[0007] Furthermore, the fixed flange includes an upper plate, a middle plate, and a lower plate. One end of the middle plate is disposed with the lower plate and the other end is disposed with the upper plate. The lower plate is operably associated with the cabinet flange. The upper plate is in contact with the casting flange. The connecting structure cooperates with the second threaded hole and the threaded through hole, so that the upper plate is operably associated with the rotating flange.

[0008] Furthermore, the fixed flange has a stepped structure, the inner diameter of the upper plate is smaller than the inner diameter of the middle plate, and the inner diameter of the middle plate is smaller than the inner diameter of the lower plate.

[0009] Furthermore, the inner diameter of the casting flange is equal to the inner diameter of the upper plate.

[0010] Furthermore, the connection structure mates with the first threaded hole and the third threaded hole.

[0011] Furthermore, the connection structure consists of screws and washers.

[0012] The beneficial effects of this utility model are as follows: The fixing structure provided by this application ensures the final fixing form after considering the removal of spatial interference caused by the adapter being inserted into the inner cone socket in the axial direction. The structure is simple and easy to install. It can meet the installation requirements of the adapter without changing the cabinet structure and ensure the operational reliability of the product. Attached Figure Description

[0013] Figure 1 This is a top view of the present invention;

[0014] Figure 2 for Figure 1 AA section view;

[0015] Figure 3 This is a top view of the fixed flange and the cast flange of this utility model;

[0016] Figure 4 for Figure 3 BB cross-sectional view;

[0017] Figure 5 This is a top view of the rotating flange of this utility model;

[0018] Figure 6 for Figure 5 A sectional view;

[0019] In the diagram: 100, casting flange; 110, casting hole.

[0020] 200. Fixed flange; 210. Upper plate body; 220. Middle plate body; 230. Lower plate body.

[0021] 300, Rotary flange; 310, First threaded hole; 320, Second threaded hole.

[0022] 400. Connection structure. Detailed Implementation

[0023] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0024] like Figure 1-6 As shown in the figure, one embodiment of this utility model is a split flange, the purpose of which is to allow the installation of the adapter without altering any structure or components of the cabinet, and to allow direct insertion of the through-core CT on site, greatly reducing the risk of installation and damage.

[0025] To achieve the above objectives, the present invention provides a split flange, comprising a casting flange 100, a fixed flange 200, and a rotating flange 300; the outer wall of the casting flange 100 is provided with a casting hole 110; one end of the fixed flange 200 is in contact with the casting flange 100, and the other end is operably associated with the cabinet flange; the rotating flange 300 is sleeved at the connection between the casting flange 100 and the fixed flange 200, and the rotating flange 300 is operably associated with the casting flange 100 through a connecting structure 400, and the rotating flange 300 is operably associated with the fixed flange 200 through the connecting structure 400.

[0026] In one embodiment, the rotating flange 300 is provided with four first threaded holes 310 on the side near the casting flange 100, and the four first threaded holes 310 are arranged diagonally in pairs. The rotating flange 300 is provided with four second threaded holes 320 on the side near the fixed flange 200, and the four second threaded holes 320 are arranged diagonally in pairs.

[0027] It should be noted that the 300 rotary flange has a hollow cylindrical structure.

[0028] Furthermore, a third threaded hole is provided at the position corresponding to the first threaded hole 310 on the casting flange 100; a threaded through hole is provided at the position corresponding to the second threaded hole 320 on the fixed flange 200.

[0029] In one embodiment, the fixed flange 200 includes an upper plate 210, a middle plate 220, and a lower plate 230. One end of the middle plate 220 is disposed with the lower plate 230, and the other end is disposed with the upper plate 210. The lower plate 230 is operably associated with the cabinet flange. The upper plate 210 is in contact with the casting flange 100. The connecting structure 400 cooperates with the second threaded hole 320 and the threaded through hole, so that the upper plate 210 is operably associated with the rotating flange 300.

[0030] It should be noted that the lower plate 230 is a hollow frustum structure with chamfered corners on both sides. The contact surface with the cabinet flange is a plane that combines two arc surfaces and a flat surface. The upper plate 210 and the middle plate 220 are both hollow cylindrical structures. The busbar passes through the rotary flange 300 and the casting flange 100 and connects to the cabinet flange. The rotary flange 300 operably links the casting flange 100 and the fixed flange 200.

[0031] Furthermore, the fixed flange 200 has a stepped structure, with the inner diameter of the upper plate 210 being smaller than that of the middle plate 220, and the inner diameter of the middle plate 220 being smaller than that of the lower plate 230.

[0032] In one embodiment, the inner diameter of the casting flange 100 is equal to the inner diameter of the upper plate 210.

[0033] In one embodiment, the connecting structure 400 mates with the first threaded hole 310 and the third threaded hole.

[0034] In one embodiment, the connection structure 400 is a screw and a washer.

[0035] It should be noted that since the flanges on the cabinet may have different connection angles, it is only necessary to fix the flange by rotating it to the corresponding angle of the cabinet flange. During the installation process, the adapter passes through the current transformer and enters the socket inside the cabinet. The fixing point is fixed by a split flange. The key point of the technical solution of this application is to avoid the risk caused by secondary transportation of CT, and it can be installed on-site without disassembly and without damaging the factory structure of the cabinet.

[0036] Based on the above-mentioned split flange, the distributed flange fixes the No. 4 adapter plug, which is not limited by space.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

Claims

1. A split flange, characterized by: Comprising The pouring flange is provided with pouring holes on the outer side wall; The fixed flange is in contact with the pouring flange at one end and is operatively associated with the cabinet flange at the other end; The rotating flange is sleeved at the associated part of the pouring flange and the fixed flange, and is operatively associated with the pouring flange and the fixed flange through the connecting structure.

2. The split flange of claim 1, wherein: Four first threaded holes are arranged on the side of the rotating flange close to the pouring flange, two of which are arranged vertically on the diagonal line, and four second threaded holes are arranged on the side of the rotating flange close to the fixed flange, two of which are arranged vertically on the diagonal line.

3. A split flange according to claim 2, wherein: The pouring flange is provided with third threaded holes corresponding to the first threaded holes; the fixed flange is provided with threaded holes corresponding to the second threaded holes.

4. A split flange according to claim 3, wherein: The fixed flange includes an upper disc body, a middle disc body and a lower disc body, one end of the middle disc body is arranged with the lower disc body, the other end is arranged with the upper disc body, the lower disc body is operatively associated with the cabinet flange, the upper disc body is in contact with the pouring flange, and the connecting structure cooperates with the second threaded hole and the threaded hole to operatively associate the upper disc body with the rotating flange.

5. A split flange according to claim 4, wherein: The fixed flange is a stepped structure, the inner cavity diameter of the upper disc body is smaller than that of the middle disc body, and the inner cavity diameter of the middle disc body is smaller than that of the lower disc body.

6. The split flange of claim 4, wherein: The inner cavity diameter of the pouring flange is equal to that of the upper disc body.

7. The split flange of claim 3, wherein: The connecting structure cooperates with the first threaded hole and the third threaded hole.

8. The split flange of claim 1, wherein: The connecting structure is a screw and a gasket.

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