CN220544528U - Adjustable current transformer fixing device for solid ring main unit - Google Patents
Adjustable current transformer fixing device for solid ring main unit Download PDFInfo
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- CN220544528U CN220544528U CN202322193727.3U CN202322193727U CN220544528U CN 220544528 U CN220544528 U CN 220544528U CN 202322193727 U CN202322193727 U CN 202322193727U CN 220544528 U CN220544528 U CN 220544528U
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 37
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000009826 distribution Methods 0.000 abstract description 9
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000005192 partition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of manufacturing of low-voltage power distribution cabinet bodies, and particularly relates to an adjustable current transformer fixing device for a solid ring main unit, which comprises a cable chamber, a mounting plate, a fixing plate and a current transformer, wherein a group of mutually parallel connecting plates are horizontally arranged on the mounting plate; the whole structure of the fixing plate is U-shaped and comprises a first connecting part and a group of first fixing parts which are arranged at two ends of the first connecting part and are mutually perpendicular to the first connecting part; the current transformer is arranged on the fixed plate through the mounting seat; according to the utility model, through the cooperation of the fixing plate and a group of connecting plates and the cooperation of the mounting seat and the fixing plate and the cooperation of the self-tapping bolt and the mounting hole, as well as the long strip-shaped connecting hole, the first fixing hole and the second fixing hole, the current transformer can be conveniently adjusted in any direction and any position in the adjusting range of the long strip hole in one horizontal plane, and the current transformer can be well adapted to the position of a cable.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of low-voltage power distribution cabinet bodies, and particularly relates to an adjustable current transformer fixing device for a solid ring main unit.
Background
The current transformer is used for guaranteeing safe and economical operation of the power system, namely small current is induced from a large current cable according to a certain proportion and then is used for instrument measurement and relay protection, meanwhile, the effects of current transformation and electric blocking are considered, and the current transformer is widely applied to GGD type alternating current low-voltage power distribution cabinets.
In the manufacturing and installation of the GGD type alternating current low-voltage power distribution cabinet, the traditional low-voltage power distribution cabinet generally adopts the steps that two upright posts or cross beams are welded at two sides of a cable chamber in the installation and fixation of the current transformer, then an installation beam is welded between the two upright posts or cross beams, and finally the current transformer is installed on the installation beam, however, as the installation of the current transformer needs to be matched with the position of a switch binding post, namely the best position of the installed current transformer is that a cable vertically passes through a through hole of the current transformer, the installation mode needs to accurately determine the installation position of the current transformer in advance, errors are inevitably caused in the installation process, the cable chamber with small space is crowded due to the use of the upright posts and the cross beams, and the normal installation and use of other working elements in the cable chamber are possibly influenced, and moreover, the installation of the current transformer and the cross beams are connected in a welding mode, so that the installation process of the current transformer causes environmental pollution;
the installation mode also considers the problems that the current transformer is installed on the partition board of the cable chamber by taking the installation plate as an intermediate bridge, and the installation plates with different specifications are arranged on the basis of considering the current transformers with different specifications and capacities for adapting the current transformer, but because the current transformers with different specifications are more, a large number of installation plates with different specifications are required to be adapted, which clearly increases the production cost of the low-voltage power distribution cabinet.
Disclosure of Invention
In view of the above, the utility model provides an adjustable current transformer fixing device for a solid ring main unit, which aims to solve the problems that in the prior art, the installation position of a current transformer is difficult to accurately determine and the production cost is high because of an installation mode with adjustable position.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
current transformer fixing device with adjustable solid looped netowrk cabinet is used, including solid looped netowrk cabinet body, still include:
the cable chamber is arranged at the bottom of the solid ring main unit body, a plurality of switch binding posts are arranged at the top of the cable chamber, and cables penetrate out of the switch binding posts and enter the cable chamber;
the mounting plates are arranged below the switch binding posts, the mounting plates are vertical to the ground, a group of mutually parallel connecting plates are horizontally arranged on the mounting plates, a group of connecting plates are vertical to the mounting plates, a hollow structure is arranged between the group of connecting plates, and on the basis, a group of strip-shaped connecting holes mutually vertical to the mounting plates are formed in each connecting plate;
the integrated structure of fixed plate is "U" font, the fixed plate includes first connecting portion, and is located first connecting portion both ends and with a set of first fixed part of first connecting portion mutually perpendicular, wherein, all be equipped with on the first fixed part a set of with the rectangular form first fixed orifices of the extending direction mutually perpendicular of first connecting portion, when with a set of fixed plate first fixed part respectively lock in one side of a set of connecting plate, through self-tapping screw with the cooperation of connecting hole with first fixed orifices will the fixed plate is installed on the mounting panel, and realize the fixed plate with along with the adjusting of the position in the direction mutually perpendicular of mounting panel
The current transformers are provided with a plurality of current transformers, the number of the current transformers is matched with the number of the switch binding posts, the current transformers are all installed on the first connecting part of the fixing plate through installation seats, and the cables penetrate through the through holes in the middle of the current transformers.
Preferably, on the fixing plate, a plurality of mounting holes are further preset on the first connection portion, and the mounting holes are used for mounting the mounting seats.
Preferably, the installation seat is wholly in a shape like a Chinese character 'ji', and comprises a second connecting part and a group of second fixing parts positioned on two sides of the second connecting part, wherein the second connecting part is fixedly provided with the current transformer, the second fixing parts are respectively provided with a group of horizontally arranged long strip-shaped second fixing holes, and the installation seat is installed on the fixing plate through the matching of the self-tapping screw with the installation holes and the second fixing holes, so that the current transformer can be adjusted in position along the horizontal extension direction of the fixing plate.
Preferably, the thread outer diameter of the self-tapping screw is 1mm larger than the diameters of the connection hole, the first fixing hole, the installation hole, and the second fixing hole.
The utility model has the beneficial effects that:
according to the utility model, through the cooperation of the U-shaped fixing plate with the whole structure and the group of connecting plates which are vertically arranged with the mounting plate, on the basis that a group of first fixing plates are respectively buckled on one side of the group of connecting plates, the fixing plate is arranged on the mounting plate through the cooperation of self-tapping screws, the connecting holes and the first fixing holes, and the position of the fixing plate can be adjusted along the direction which is mutually vertical with the mounting plate through the long connecting holes and the long first fixing holes;
in addition, the installation seat is matched with the fixing plate through the installation seat which is in a shape like a Chinese character 'ji' in the whole structure, on the basis of fixedly connecting the current transformer with the installation seat, the installation seat is installed on the fixing plate through the matching of the self-tapping screw, the installation hole and the second fixing hole, and the current transformer can be adjusted in the horizontal extension direction of the fixing plate through the installation hole and the second fixing hole in a strip shape;
therefore, the current transformer can be conveniently and conveniently adjusted in any direction and any position in the adjusting range of the strip hole in a horizontal plane, and the current transformer can be well adapted to the position of the cable.
In general, the adjustable current transformer fixing device has a simple integral structure, abandons the connection modes of welding and the like, realizes the random adjustment of the position of the current transformer in the movable range of a horizontal plane on the basis of less material consumption and simplified processing steps, facilitates the adaptation of the current transformer to the cable position, is beneficial to the operation of a low-voltage power distribution cabinet in a higher quality state, saves the production cost and realizes green production; in addition, the screw thread external diameter of self-tapping screw is 1mm bigger than the diameter of connecting hole, first fixed orifices, mounting hole and second fixed orifices, can make the staff more convenient to current transformer's installation and adjustment, and the connecting hole after direct use self-tapping screw and the position determination, first fixed orifices, mounting hole and second fixed orifices carry out self-tapping threaded connection promptly, and this kind of connected mode has practiced thrift man-hour, has practiced thrift the manpower, still makes this mounting structure connect more closely firmly, avoids appearing not hard up phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic side view of the utility model installed in a solid ring main unit body;
FIG. 2 is a schematic side view of a part of the structure of the fixing device of the present utility model;
FIG. 3 is a schematic front view of a part of the structure of the fixing device of the present utility model;
fig. 4 is a schematic top view of a partial structure of a current transformer mounted on a fixing plate through a mounting base in the present utility model.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the technical field of cabinet body manufacturing of the existing GGD type alternating current low-voltage power distribution cabinet, a current transformer in a cable chamber is generally formed by welding upright posts or cross beams on two sides of the cable chamber, welding mounting beams between the upright posts or the cross beams, and finally mounting the current transformer on the mounting beams in a traditional mounting mode, wherein the mounting mode ensures that the position of the current transformer is determined, and the current transformer cannot move when the position of a switch binding post is required to be matched; the installation mode also considers the problems that the current transformer is installed on the partition board of the cable chamber by taking the installation plate as an intermediate bridge, and the installation plates with different specifications are arranged on the basis of considering the current transformers with different specifications and capacities for adapting the current transformer, but because the current transformers with different specifications are more, a large number of installation plates with different specifications are required to be adapted, which clearly increases the production cost of the low-voltage power distribution cabinet.
In view of this, the inventor of the application found that a group of connecting plates parallel to each other is vertically arranged on the mounting plate, and the current transformer can be conveniently adjusted in any direction and any position in the adjusting range of the strip hole by matching the fixing plate with the group of connecting plates, the fixing seat with the overall structure in the shape of a U, and the fixing plate, and matching the self-tapping bolt with the mounting hole, the strip-shaped connecting hole, the first fixing hole and the second fixing hole, so that the current transformer can be well adapted to the position of the cable; in addition, the adjustable current transformer fixing device is simple in integral structure, a connection mode of welding and the like is abandoned, consumed materials are few, processing steps are simplified, production cost is saved, green production is realized, the problems can be well solved, and beneficial technical improvement is made for changing the current situation of the industry.
The technical scheme provided by the utility model will be described in detail below with reference to the accompanying drawings.
In this technical scheme, as shown in fig. 1, the adjustable current transformer fixing device for the solid ring main unit comprises a solid ring main unit body 1, and further comprises:
the cable room 2 is arranged at the bottom of the solid ring main unit body 1, a plurality of switch binding posts 201 are arranged at the top of the cable room 2, and cables 202 penetrate out of the switch binding posts 201 and enter the cable room 2.
In this technical scheme, as shown in fig. 1-4, a mounting plate 3 is disposed below a plurality of switch binding posts 201, the mounting plate 3 is vertical to the ground, a group of parallel connection plates 301 are horizontally disposed on the mounting plate 3, a group of connection plates 301 are vertical to the mounting plate 3, and a group of connection plates 301 are hollow structures, on this basis, each connection plate 301 is provided with a group of strip connection holes 302 mutually vertical to the mounting plate 3.
The fixed plate 4, the overall structure of fixed plate 4 is "U" font, fixed plate 4 includes first connecting portion 401, and is located first connecting portion 401 both ends and with a set of first fixed portion 402 of first connecting portion 401 mutually perpendicular, wherein, all be equipped with a set of with the rectangular form first fixed orifices 403 of the extending direction mutually perpendicular of first connecting portion 401 on the first fixed portion 402.
In the present utility model, as shown in fig. 2, when a set of the first fixing portions 402 of the fixing plate 4 are respectively engaged with one side of the set of connection plates 301, the fixing plate 4 is mounted on the mounting plate 3 by the self-tapping screw 5 engaged with the connection holes 302 and the first fixing holes 403, and the fixing plate 4 is adjusted in position in a direction perpendicular to the mounting plate 3.
In addition, in this technical scheme, still include a plurality of current transformer 6, and the quantity of current transformer 6 with switch terminal 201 matches, a plurality of current transformer 6 all install through mount pad 7 in on the first connecting portion 401 of fixed plate 4, cable 202 is followed be located the through hole 601 in current transformer 6 middle part passes.
Based on the above embodiment, i.e. that several current transformers 6 each have a basis for position adjustment in directions perpendicular to the mounting plate 3; in addition, on the fixing plate 4, a plurality of mounting holes 404 are preset on the first connecting portion 401, and the mounting holes 404 are used for mounting the mounting seat 7.
In this technical solution, as shown in fig. 2-4, the mounting seat 7 is shaped like a Chinese character 'ji', and the mounting seat 7 includes a second connection portion 701, and a set of second fixing portions 702 located at two sides of the second connection portion 701, where the second connection portion 701 is fixedly mounted with the current transformer 6, and the second fixing portions 702 are provided with a set of horizontal strip-shaped second fixing holes 703.
In this example, the mounting base 7 is mounted on the fixing plate 4 by the self-tapping screw 5 and the mounting hole 404 and the elongated second fixing hole 703, and the current transformer 6 is adjusted in position along the horizontal extending direction of the fixing plate 4.
In addition, in the present utility model, it should be noted that the thread outer diameter of the tapping screw 5 is 1mm larger than the diameters of the connecting hole 302, the first fixing hole 403, the mounting hole 404 and the second fixing hole 703, so that the mounting and adjustment of the current transformer 6 by the staff are more convenient, the connecting manner saves labor time and manpower, the connection of the mounting structure is more compact and firm, and the loosening phenomenon is avoided.
The current transformer 6 can be conveniently adjusted in any direction and any position in the adjusting range of the strip hole in a horizontal plane, so that the current transformer 6 can be well adapted to the position of the cable 202, i.e. the cable 202 vertically passes through the through hole 601 in the middle of the current transformer 6 as much as possible.
Specifically, when the adjustable current transformer fixing device for the solid ring main unit provided by the utility model is used for fixing the current transformer 6, the current transformer 6 is pre-installed on the second connection part 701 of the installation seat 7; then, the mounting seat 7 is matched with the mounting hole 404 and the second fixing hole 703 through the self-tapping screw 5, and the mounting seat 7 is mounted on the first connecting part 401 of the fixing plate 4; then, a group of first fixing parts 402 of the fixing plate 4 are respectively buckled on one side of a group of connecting plates 301, and the fixing plate 4 is mounted on the mounting plate 3 through the matching of the self-tapping screws 5, the connecting holes 302 and the first fixing holes 403;
then, according to the position of the cable 202, the current transformer 6 is made position-adjustable in the horizontal extending direction of the fixing plate 4 through the second fixing hole 703 having an elongated shape; the fixing plate 4 can be adjusted in position along the direction perpendicular to the mounting plate 3 by the connecting hole 302 and the first fixing hole 403 which are both long-strip-shaped; i.e. the current transformer 6 is conveniently adjusted in any direction and any position in the adjusting range of the strip hole in a horizontal plane, so that the current transformer 6 can be well adapted to the position of the cable 202.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. Current transformer fixing device with adjustable solid looped netowrk cabinet is used, including solid looped netowrk cabinet body, its characterized in that still includes:
the cable chamber is arranged at the bottom of the solid ring main unit body, a plurality of switch binding posts are arranged at the top of the cable chamber, and cables penetrate out of the switch binding posts and enter the cable chamber;
the mounting plates are arranged below the switch binding posts, the mounting plates are vertical to the ground, a group of mutually parallel connecting plates are horizontally arranged on the mounting plates, a group of connecting plates are vertical to the mounting plates, a hollow structure is arranged between the group of connecting plates, and on the basis, a group of strip-shaped connecting holes mutually vertical to the mounting plates are formed in each connecting plate;
the fixing plate comprises a first connecting part and a group of first fixing parts which are arranged at two ends of the first connecting part and are mutually perpendicular to the first connecting part, wherein a group of strip-shaped first fixing holes which are mutually perpendicular to the extending direction of the first connecting part are formed in the first fixing parts, and when one group of first fixing parts of the fixing plate are respectively buckled on one side of one group of connecting plates, the fixing plate is mounted on the mounting plate through the matching of self-tapping screws with the connecting holes and the first fixing holes, and the position of the fixing plate is adjusted along the direction which is mutually perpendicular to the mounting plate;
the current transformers are provided with a plurality of current transformers, the number of the current transformers is matched with the number of the switch binding posts, the current transformers are all installed on the first connecting part of the fixing plate through installation seats, and the cables penetrate through the through holes in the middle of the current transformers.
2. The adjustable current transformer fixing device for a solid ring main unit according to claim 1, wherein: on the fixed plate, a plurality of mounting holes are also preset on the first connecting part, and the mounting holes are used for mounting the mounting seats.
3. The adjustable current transformer fixing device for a solid ring main unit according to claim 2, wherein: the installation seat is wholly in a shape like a Chinese character 'ji', the installation seat comprises a second connecting part and a group of second fixing parts which are positioned on two sides of the second connecting part, wherein the second connecting part is fixedly provided with the current transformer, a group of horizontally arranged long strip-shaped second fixing holes are formed in the second fixing part, and the installation seat is installed on the fixing plate through the self-tapping screw and the matching of the installation holes and the second fixing holes, so that the current transformer can adjust the position along the horizontal extension direction of the fixing plate.
4. The adjustable current transformer fixing device for a solid ring main unit according to claim 3, wherein: the thread outer diameter of the self-tapping screw is 1mm larger than the diameters of the connecting hole, the first fixing hole, the mounting hole and the second fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322193727.3U CN220544528U (en) | 2023-08-15 | 2023-08-15 | Adjustable current transformer fixing device for solid ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322193727.3U CN220544528U (en) | 2023-08-15 | 2023-08-15 | Adjustable current transformer fixing device for solid ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544528U true CN220544528U (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322193727.3U Active CN220544528U (en) | 2023-08-15 | 2023-08-15 | Adjustable current transformer fixing device for solid ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544528U (en) |
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2023
- 2023-08-15 CN CN202322193727.3U patent/CN220544528U/en active Active
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