Installation structure of mutual inductor and centrally installed switchgear

Abstract

The embodiment of the utility model provides an installation structure of a mutual inductor and a centrally installed switchgear, and relates to the technical field of high-voltage power distribution devices. The installation structure of the mutual inductor comprises a fixing plate, a first installation beam, a second installation beam and a third installation beam. The first installation beam, the second installation beam and the third installation beam are all installed on the fixing plate. And a first mounting hole is formed in the first mounting beam. And a second mounting hole is formed in the second mounting beam. And a third mounting hole is formed in the third mounting beam. The first mounting beam can move in the first direction relative to the second mounting beam. The multiple third mounting holes are formed in the second direction perpendicular to the first direction at intervals. The centrally installed switchgear comprises the installation structure of the mutual inductor. The tool can be suitable for mutual inductors of various installation sizes, the working intensity of designers is relieved, the design time is shortened, the working efficiency is improved, design errors and reworking and material returning are greatly reduced, and material waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage power distribution devices, in particular to an installation structure of a mutual inductor and a central cabinet. Background Art

[0002] The center cabinet (full name: metal armored center removable switchgear) belongs to high-voltage power distribution equipment. The center cabinet is used to receive and distribute 3.6-12kV network power, and to control, protect, monitor and measure the power circuit. The center switch cabinet is mainly used in power plants, power transmission of small and medium-sized generators, power reception and transmission of secondary substations of power systems, power distribution of industrial and mining enterprises and institutions, and starting of large high-voltage motors. As a component of the center cabinet, the transformer is often installed on the center cabinet through mounting structures such as the transformer mounting plate.

[0003] The inventor has found that the existing installation holes of transformers have different sizes, and one type of installation beam can only correspond to the installation size of one type of transformer. If the size of the transformer changes, the size of the installation beam needs to be redesigned. This increases the workload of designers, reduces work efficiency, and easily causes waste of materials. Utility Model Content

[0004] The purpose of the utility model is to provide an installation structure and a central cabinet of a mutual inductor, which can be applicable to mutual inductors of various installation sizes, reduce the workload of designers, shorten the design time, improve work efficiency, greatly reduce design errors, rework and return of materials, and avoid waste of materials.

[0005] The embodiment of the utility model is achieved as follows:

[0006] In a first aspect, the utility model provides a mounting structure of a mutual inductor, comprising a fixing plate, a first mounting beam, a second mounting beam and a third mounting beam, wherein the first mounting beam and the second mounting beam are movably connected to the fixing plate, and the third mounting beam is fixedly mounted on the fixing plate, a first mounting hole is provided on the first mounting beam, a second mounting hole is provided on the second mounting beam, and a third mounting hole is provided on the third mounting beam, the first mounting hole, the second mounting hole and the third mounting hole are used for fixing and mounting the mutual inductor, the first mounting beam can move relative to the second mounting beam along a first direction so that the distance between the first mounting hole and the second mounting hole in the first direction can be adjusted, and the number of the third mounting holes is multiple, and they are spaced apart in a second direction perpendicular to the first direction.

[0007] In an optional embodiment, the first mounting beam includes a first base plate having the first mounting hole, two sides of the first base plate are bent 90° in the same direction to form a first bent portion, and one side of the first bent portion is away from the first base plate and is bent 90° toward the first base plate to form a second bent portion. The second mounting beam includes a second base plate having the second mounting hole, two sides of the second base plate are bent 90° in the same direction to form the third bent portion, and the second mounting beam can slide along the first direction in a sliding space surrounded by the first base plate, the first bent portion and the second bent portion.

[0008] In an optional embodiment, the first base plate is provided with a first clearance groove and a first mounting plate which are spaced apart from each other, the first mounting hole is provided on the first mounting plate, the second base plate is provided with a second clearance groove and a second mounting plate which are spaced apart from each other, the second mounting hole is provided on the second mounting plate, and the first base plate and the second base plate are engaged with each other so that the first mounting plate can slide in the second clearance groove, and the second mounting plate can slide in the first clearance groove.

[0009] In an optional embodiment, the distance from the first mounting hole to the first clearance groove is equal to the distance from the second mounting hole to the second clearance groove.

[0010] In an optional embodiment, the length of the first clearance groove along the first direction is equal to the length of the second clearance groove along the first direction.

[0011] In an optional embodiment, the first bottom plate and the second bottom plate are flush.

[0012] In an optional embodiment, the bending length of the first bending portion is greater than the bending length of the third bending portion.

[0013] In an optional embodiment, the first mounting beam is provided with a first fixing hole for connecting to the fixing plate, the second mounting beam is provided with a second fixing hole for connecting to the fixing plate, and the number of at least one of the first fixing hole and the second fixing hole is set to multiple and respectively arranged along the first direction.

[0014] In an optional embodiment, the third mounting hole is an elongated hole extending along the first direction.

[0015] In a second aspect, the utility model provides a central cabinet, comprising the installation structure of the mutual inductor described in any one of the aforementioned embodiments, wherein the fixing plate is fixedly connected to the central cabinet.

[0016] The beneficial effects of the embodiments of the utility model are:

[0017] The utility model comprises a fixing plate, a first mounting beam, a second mounting beam and a third mounting beam. The first mounting beam and the second mounting beam are movably connected to the fixing plate. The third mounting beam is fixedly mounted on the fixing plate. A first mounting hole is provided on the first mounting beam. A second mounting hole is provided on the second mounting beam. A third mounting hole is provided on the third mounting beam. The first mounting hole, the second mounting hole and the third mounting hole are used for fixing and mounting a mutual inductor. The first mounting beam can move relative to the second mounting beam along a first direction so that the distance between the first mounting hole and the second mounting hole in the first direction can be adjusted. There are a plurality of third mounting holes, which are arranged at intervals in a second direction perpendicular to the first direction. The distance between the first mounting hole and the second mounting hole is changed by the relative movement of the first mounting beam and the second mounting beam, so as to adjust the mounting hole position of the mutual inductor in the first direction; and the mounting hole position of the mutual inductor in the second direction is adjusted by arranging a plurality of third mounting holes in the second direction. The utility model can be applied to mutual inductors of various installation sizes, reduce the work intensity of designers, shorten the design time, improve work efficiency, greatly reduce design errors, rework and return materials, and avoid waste of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the installation structure of a mutual inductor according to an embodiment of the utility model from a first perspective;

[0020] Figure 2 A schematic diagram of the installation structure of the mutual inductor according to an embodiment of the utility model from a second viewing angle;

[0021] Figure 3 This is a schematic structural diagram of a first mounting beam according to an embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the second mounting beam in an embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the matching structure of the first mounting beam and the second mounting beam in an embodiment of the utility model.

[0024] Icon: 100-mounting structure of transformer; 10-fixing plate; 11-clearance hole; 20-first mounting beam; 21-first mounting hole; 22-first bottom plate; 221-first mounting plate; 222-first clearance groove; 23-first bending portion; 24-second bending portion; 25-first fixing hole; 30-second mounting beam; 31-second mounting hole; 32-second bottom plate; 321-second mounting plate; 322-second clearance groove; 33-third bending portion; 34-second fixing hole; 40-third mounting beam; 41-third mounting hole; 50-transformer. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Please refer to Figure 1 and Figure 2 The present embodiment provides a mutual inductor mounting structure 100, which is used to mount a mutual inductor 50 in a central cabinet, and includes a fixing plate 10 and a first mounting beam 20, a second mounting beam 30 and a third mounting beam 40 mounted on the fixing plate 10. A first mounting hole 21 is provided on the first mounting beam 20. A second mounting hole 31 is provided on the second mounting beam 30. A third mounting hole 41 is provided on the third mounting beam 40. The first mounting beam 20 can move relative to the second mounting beam 30 along a first direction so that the distance between the first mounting hole 21 and the second mounting hole 31 in the first direction can be adjusted. There are a plurality of third mounting holes 41, and they are spaced apart in a second direction perpendicular to the first direction.

[0032] It can be understood that the first direction is the connection direction of the mounting holes in the length direction of the transformer 50, and the second direction is the connection direction of the mounting holes in the width direction of the transformer 50. The fixing plate 10 is used to be installed in the central cabinet, so as to install the transformer 50 inside the central cabinet.

[0033] Optionally, in this embodiment, in order to make the position of the third mounting hole 41 correspond to the position of the first mounting hole 21 and the second mounting hole 31, the third mounting hole 41 is set as a long hole extending along the first direction. The setting of the long hole enables the third mounting hole 41 to correspond to the mounting hole position of the mutual inductor 50 when the distance between the first mounting hole 21 and the second mounting hole 31 changes. It can be understood that the range of the third mounting hole 41 corresponds to the adjustment range of the first mounting hole 21 or the second mounting hole 31.

[0034] Please refer to Figure 3The first mounting beam 20 includes a first bottom plate 22 with a first mounting hole 21. Both sides of the first bottom plate 22 are bent 90° in the same direction to form a first bending portion 23. The first bending portion 23 is bent 90° toward the direction of the first bottom plate 22 while the side away from the first bottom plate 22 is bent 90° to form a second bending portion 24. It can be understood that the first bottom plate 22, the first bending portion 23 and the second bending portion 24 together enclose a sliding space. The first bottom plate 22 is provided with a first clearance groove 222 and a first mounting plate 221 that are spaced apart, and the first mounting hole 21 is provided on the first mounting plate 221.

[0035] Please refer to Figure 4 The second mounting beam 30 includes a second bottom plate 32 with a second mounting hole 31, and both sides of the second bottom plate 32 are bent 90 degrees in the same direction to form a third bending portion 33. The second mounting beam 30 can slide along the first direction in the sliding space surrounded by the first bottom plate 22, the first bending portion 23 and the second bending portion 24. The second bottom plate 32 is provided with a second clearance groove 322 and a second mounting plate 321 arranged at intervals, and the second mounting hole 31 is provided on the second mounting plate 321.

[0036] Optionally, the bending length of the first bending portion 23 is greater than the bending length of the third bending portion 33 , so that the second bending portion 24 can surround the second mounting beam 30 to prevent the second mounting beam 30 from sliding out of the sliding space.

[0037] Please refer to Figure 5 The first bottom plate 22 and the second bottom plate 32 are engaged with each other, so that the first mounting plate 221 can slide in the second clearance groove 322, and the second mounting plate 321 can slide in the first clearance groove 222. It can be understood that when the first mounting plate 221 slides in the second clearance groove 322, the position of the first mounting plate 221 relative to the second mounting plate 321 changes, and the distance between the first mounting hole 21 on the first mounting plate 221 and the second mounting hole 31 on the second mounting plate 321 changes. The distance between the first mounting hole 21 and the second mounting hole 31 is equivalent to the minimum length of the first clearance groove 222 or the second clearance groove 322 in the first direction.

[0038] Optionally, in order to adjust the distance between the first mounting hole 21 and the second mounting hole 31 to be consistent, the distance from the first mounting hole 21 to the first clearance hole 11 is equal to the distance from the second mounting hole 31 to the second clearance groove 322. The length of the first clearance groove 222 in the first direction is equal to the length of the second clearance groove 322 in the first direction.

[0039] In order to make the first mounting beam 20 and the second mounting beam 30 fit with the fixing plate 10, the first bottom plate 22 and the second bottom plate 32 are flush. It can be understood that the first mounting plate 221 is engaged in the second clearance groove 322, and the second mounting plate 321 is engaged in the first clearance groove 222. The first bottom plate 22 and the second bottom plate 32 are located in the same plane, which can not only completely fit with the fixing plate 10 to facilitate fixation, but also make the first mounting hole 21 and the second mounting hole 31 located at the same height.

[0040] Please continue to refer to Figure 1 , the first mounting beam 20 is provided with a first fixing hole 25 for connecting with the fixing plate 10. The second mounting beam 30 is provided with a second fixing hole 34 for connecting with the fixing plate 10. Optionally, at least one of the first fixing hole 25 and the second fixing hole 34 is multiple, and is respectively extended along the first direction. In this embodiment, the number of the first fixing hole 25 and the second fixing hole 34 are both multiple, that is, the positions of the first mounting beam 20 and the second mounting beam 30 in the first direction can be adjusted. In other embodiments, the first fixing hole 25 can be one or a row along the second direction, and the second fixing hole 34 is multiple and extends along the first direction, so as to fix the first mounting beam 20, so that the second mounting beam 30 is adjustable; it can also be set in the opposite way, so that the first mounting beam 20 is adjustable and the second mounting beam 30 is fixed; it can also be set on the fixing plate 10. Multiple hole positions set along the first direction are also provided, and the utility model is not limited.

[0041] Optionally, the fixing plate 10 is provided with a clearance hole 11 corresponding to the first mounting hole 21 and the second mounting hole 31 respectively.

[0042] The working principle and process of a mutual inductor installation structure 100 provided in an embodiment of the utility model are as follows:

[0043] Engage the first mounting beam 20 and the second mounting beam 30, and then fit them on the fixed plate 10; slide the first mounting beam 20 and the second mounting beam 30 to adjust the relative positions of the first mounting beam 20 and the second mounting beam 30 in the first direction; fix the first mounting beam 20 and the second mounting beam 30 with screws through the first fixing hole 25 and the second fixing hole 34; fix the third mounting beam 40 on the fixed plate 10; align the mounting hole position of the mutual inductor 50 with the first mounting hole 21, the second mounting hole 31 and the third mounting hole 41, and install the mutual inductor 50 on the first mounting beam 20, the second mounting amount and the third mounting beam 40 with screws; install the fixed plate 10 inside the central cabinet to complete the installation.

[0044] The beneficial effects of a mutual inductor installation structure 100 provided by the embodiment of the utility model are:

[0045] The utility model includes a fixed plate 10, a first mounting beam 20, a second mounting beam 30 and a third mounting beam 40. The first mounting beam 20 and the second mounting beam 30 are movably connected to the fixed plate 10. The third mounting beam 40 is fixedly mounted on the fixed plate 10. A first mounting hole 21 is provided on the first mounting beam 20. A second mounting hole 31 is provided on the second mounting beam 30. A third mounting hole 41 is provided on the third mounting beam 40. The first mounting hole 21, the second mounting hole 31 and the third mounting hole 41 are used to fix and install the mutual inductor 50. The first mounting beam 20 can move relative to the second mounting beam 30 along the first direction so that the distance between the first mounting hole 21 and the second mounting hole 31 in the first direction can be adjusted. The number of the third mounting holes 41 is multiple, and they are spaced apart in a second direction perpendicular to the first direction. The distance between the first mounting hole 21 and the second mounting hole 31 is changed by the relative movement of the first mounting beam 20 and the second mounting beam 30, and the mounting hole position of the mutual inductor 50 in the first direction is adjusted; and the mounting hole position of the mutual inductor 50 in the second direction is adjusted by providing a plurality of third mounting holes 41 in the second direction. The utility model can be applied to mutual inductors 50 of various installation sizes, reduce the work intensity of designers, shorten the design time, improve work efficiency, greatly reduce design errors, rework and return of materials, and avoid waste of materials.

[0046] This embodiment also provides a central cabinet (not shown), which includes the above-mentioned transformer installation structure 100, and the central cabinet includes a cabinet body, and the fixing plate is fixedly connected to the cabinet body. The central cabinet should at least have similar beneficial effects as the above-mentioned transformer installation structure 100.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mounting structure for a mutual inductor, characterized in that: The invention comprises a fixing plate, a first mounting beam, a second mounting beam and a third mounting beam, wherein the first mounting beam and the second mounting beam are movably connected to the fixing plate, and the third mounting beam is fixedly mounted on the fixing plate, a first mounting hole is provided on the first mounting beam, a second mounting hole is provided on the second mounting beam, and a third mounting hole is provided on the third mounting beam, and the first mounting hole, the second mounting hole and the third mounting hole are used for fixing and mounting a mutual inductor, and the first mounting beam can be moved along a first direction relative to the second mounting beam so that the distance between the first mounting hole and the second mounting hole in the first direction can be adjusted, and the number of the third mounting holes is plural, and they are spaced apart in a second direction perpendicular to the first direction.

2. The installation structure of the mutual inductor according to claim 1, characterized in that: The first mounting beam includes a first base plate with the first mounting hole, two sides of the first base plate are bent 90° in the same direction to form a first bent portion, one side of the first bent portion is away from the first base plate and is bent 90° toward the direction of the first base plate to form a second bent portion, the second mounting beam includes a second base plate with the second mounting hole, two sides of the second base plate are bent 90° in the same direction to form a third bent portion, and the second mounting beam can slide along the first direction in a sliding space surrounded by the first base plate, the first bent portion and the second bent portion.

3. The installation structure of the mutual inductor according to claim 2, characterized in that: The first bottom plate is provided with a first clearance groove and a first mounting plate which are spaced apart from each other, the first mounting hole is provided on the first mounting plate, the second bottom plate is provided with a second clearance groove and a second mounting plate which are spaced apart from each other, the second mounting hole is provided on the second mounting plate, the first bottom plate and the second bottom plate are engaged with each other so that the first mounting plate can slide in the second clearance groove, and the second mounting plate can slide in the first clearance groove.

4. The installation structure of the mutual inductor according to claim 3, characterized in that: The distance from the first mounting hole to the first clearance groove is equal to the distance from the second mounting hole to the second clearance groove.

5. The installation structure of the mutual inductor according to claim 3, characterized in that: The length of the first relief groove along the first direction is equal to the length of the second relief groove along the first direction.

6. The installation structure of the mutual inductor according to claim 2, characterized in that: The first bottom plate is flush with the second bottom plate.

7. The installation structure of the mutual inductor according to claim 2, characterized in that: The bending length of the first bending portion is greater than the bending length of the third bending portion.

8. The installation structure of the mutual inductor according to claim 1, characterized in that: The first mounting beam is provided with a first fixing hole for connecting with the fixing plate, the second mounting beam is provided with a second fixing hole for connecting with the fixing plate, and at least one of the first fixing hole and the second fixing hole is set to multiple and respectively arranged along the first direction.

9. The installation structure of the mutual inductor according to claim 1, characterized in that: The third mounting hole is an elongated hole extending along the first direction.

10. A central cabinet, characterized in that: The invention comprises the installation structure of the mutual inductor according to any one of claims 1 to 9, wherein the central cabinet comprises a cabinet body, and the fixing plate is fixedly connected to the cabinet body.

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