CN219659152U - Transformer substation framework - Google Patents
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- CN219659152U CN219659152U CN202320379605.0U CN202320379605U CN219659152U CN 219659152 U CN219659152 U CN 219659152U CN 202320379605 U CN202320379605 U CN 202320379605U CN 219659152 U CN219659152 U CN 219659152U
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- 238000009826 distribution Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
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Abstract
The utility model discloses a transformer substation framework, which is arranged on a transformer substation roof, and is characterized in that an extending arm extending outwards is arranged to fix and support a hanging wire arm for hanging and connecting a power transmission line, so that the existing transformer substation framework is changed, the framework of the embodiment can ensure that the distance between the power transmission line and a wall body of a transformer substation meets the safety distance, and the safety coefficient is improved.
Description
Technical Field
The utility model relates to the technical field of substations, in particular to a substation framework.
Background
Due to the development of power systems and the increasing demand of people for electrical energy, substations are becoming increasingly important in current daily life and industrial production.
The substation framework is a main structure of a substation and is a supporting structure for supporting power equipment or suspending various wires by an outdoor distribution device. Patent documents cn201420870359.X, CN201821958498.2 and CN201621484766.2 disclose all existing common substation framework structures: a type structure, insulator insulation connection power transmission line is installed at the top.
However, in a transformer substation adopting a fully-closed combined electrical appliance in a user in a mountain area, the input end of the fully-closed combined electrical appliance is arranged outside the transformer substation, if the transformer substation framework is directly used for being installed on the roof of the transformer substation, after a power transmission line connected and led out by a top insulator is connected with the input end of the fully-closed combined electrical appliance, the power transmission line is close to a wall body of the transformer substation, and the safety distance is easily not met, so that potential safety hazards are caused. Therefore, how to design a transformer substation framework can ensure that the distance between the power transmission line and the wall body of the transformer substation meets the safety distance, and improvement of the safety coefficient is very important.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the transformer substation framework, which can ensure that the distance between the power transmission line and the wall of the transformer substation meets the safety distance and improve the safety coefficient.
In order to solve the technical problems, the utility model discloses a transformer substation framework, which is applied to a transformer substation room adopting a totally-enclosed combined electrical appliance, wherein the input end of the totally-enclosed combined electrical appliance is arranged outside the transformer substation room and comprises a first supporting component, a second supporting component, a first wire hanging arm, a first extending arm, a second extending arm, a first connecting piece and a second connecting piece;
the bottoms of the first supporting component and the second supporting component are fixed on the roof of the transformer room, the top of the first supporting component is fixedly connected with the bottom of the first connecting piece, and the top of the second supporting component is fixedly connected with the bottom of the second connecting piece;
the rear end of the first extending arm is fixedly connected with the front end of the first connecting piece, and the rear end of the second extending arm is fixedly connected with the front end of the second connecting piece;
one end of the first wire hanging arm is fixedly connected with the front end of the first extending arm, and the other end of the first wire hanging arm is fixedly connected with the front end of the second extending arm;
the first wire hanging arm is provided with a hanging point for hanging and fixing an insulator, the insulator is used for insulating and hanging a power transmission line, and the distance between the first wire hanging arm and the edge of the power transformation room is larger than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room; the power transmission line is a high-voltage line introduced by a power grid system and is electrically connected with the input end of the fully-closed combined electrical appliance through the insulator of the first wire hanging arm.
As an alternative embodiment, the first support assembly includes a first upright, a first diagonal column, and a first connecting arm, and the second support assembly includes a second upright, a second diagonal column, and a second connecting arm;
the top of the first upright post is fixedly connected with the bottom of the first connecting piece, the front end of the first connecting arm is fixedly connected with the rear end of the first connecting piece, and the top of the first inclined post is fixedly connected with the bottom of the rear side of the first connecting arm;
the top of the second upright post is fixedly connected with the bottom of the second connecting piece, the front end of the second connecting arm is fixedly connected with the rear end of the second connecting piece, and the top of the second inclined post is fixedly connected with the bottom of the rear side of the second connecting arm.
As yet another alternative embodiment, the device further comprises a post insulator; the post insulator is vertically arranged on the roof edge of the power transformation room, the top of the post insulator is used for fixing and insulating a power transmission line from the first wire hanging arm, and the distance between the top of the post insulator and the roof edge of the power transformation room is larger than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room.
As a further alternative embodiment, a second hanger arm is further included; one end of the second wire hanging arm is fixedly connected with the right end of the first connecting piece, and the other end of the second wire hanging arm is fixedly connected with the left end of the second connecting piece; and the second wire hanging arm is provided with a hanging point for hanging the insulator.
As a further alternative embodiment, the front end of the second wire hanging arm is provided with a U-shaped ring for fixing the safety belt of the overhauler.
As a further alternative embodiment, the first support assembly and/or the second support assembly is/are provided with a ladder for maintenance.
As yet another alternative embodiment, the material of at least one of the first support assembly, the second support assembly, the first hanger arm, the first extension arm, the second extension arm, the first connector, and the second connector is carbon alloy steel Q345.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the transformer substation framework provided by the embodiment of the utility model, the transformer substation framework is arranged on the transformer substation roof, and the extension arm is arranged to change the existing transformer substation framework, so that the framework of the embodiment can ensure that the distance between a power transmission line and a wall body of a transformer substation meets the safety distance, and the safety coefficient is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a substation framework according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an installation environment of a substation architecture according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a column according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a diagonal column according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a first wire hanging arm according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a second wire hanging arm according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a connecting arm according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a configuration of a cantilever arm according to an embodiment of the present utility model;
FIG. 9 is a schematic view of a connector according to an embodiment of the present utility model;
fig. 10 is a schematic structural view of a ladder according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, 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.
Example 1
Referring to fig. 1-10, an embodiment of the utility model discloses a transformer substation framework 1, which is applied to a transformer substation room adopting a fully-closed combined electrical apparatus, wherein an input end 901 of the fully-closed combined electrical apparatus is arranged outside the transformer substation room and comprises a first supporting component, a second supporting component, a first wire hanging arm 501, a first extending arm 401, a second extending arm 402, a first connecting piece 701 and a second connecting piece 702;
the bottoms of the first supporting component and the second supporting component are fixed on the roof of the transformer substation, the top of the first supporting component is fixedly connected with the bottom of the first connecting piece 701, and the top of the second supporting component is fixedly connected with the bottom of the second connecting piece 702;
the rear end of the first extending arm 401 is fixedly connected with the front end of the first connecting member 701, and the rear end of the second extending arm 402 is fixedly connected with the front end of the second connecting member 702;
one end of the first wire hanging arm 501 is fixedly connected with the front end of the first extending arm 401, and the other end of the first wire hanging arm is fixedly connected with the front end of the second extending arm 402;
the first wire hanging arm 501 is provided with a hanging point 16 for hanging and fixing an insulator, the insulator is used for insulating and hanging the power transmission line 2, and the distance between the first wire hanging arm 501 and the edge of the power transformation room is greater than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room; the power transmission line 2 is a high-voltage line introduced by a power grid system, and the power transmission line 2 is electrically connected with the input end of the fully-closed combined electrical apparatus through the insulator of the first wire hanging arm 501.
According to the transformer substation framework provided by the embodiment of the utility model, the transformer substation framework is arranged on the transformer substation roof, and the extension arm is arranged to change the existing transformer substation framework, so that the framework of the embodiment can ensure that the distance between a power transmission line and a wall body of a transformer substation meets the safety distance, and the safety coefficient is improved.
In an alternative embodiment, the first support assembly includes a first upright 101, a first diagonal column 201, and a first connecting arm 301, and the second support assembly includes a second upright 102, a second diagonal column 202, and a second connecting arm 302;
the top of the first upright post 101 is fixedly connected with the bottom of the first connecting piece 701, the front end of the first connecting arm 301 is fixedly connected with the rear end of the first connecting piece 701, and the top of the first inclined post 201 is fixedly connected with the rear bottom of the first connecting arm 301;
the top of the second upright post 102 is fixedly connected with the bottom of the second connecting piece 702, the front end of the second connecting arm 302 is fixedly connected with the rear end of the second connecting piece 702, and the top of the second inclined post 202 is fixedly connected with the rear bottom of the second connecting arm 302.
According to the transformer substation framework supporting and fixing device, the stand columns are arranged to support and fix the transformer substation framework, the extending arms enable the gravity center of the transformer substation framework to face forward, the inclined columns are arranged to resist the trend that the extending arms tilt forward and downward after hanging a power transmission line, and the structural stability of the framework is improved.
In yet another alternative embodiment, referring to fig. 2, the substation architecture further comprises post insulators 801; the post insulator 801 is vertically installed on the roof edge of the power transformation room, the top of the post insulator 801 is used for fixing and insulating a power transmission line from the first wire hanging arm 501, and the distance between the top of the post insulator 801 and the roof edge of the power transformation room is greater than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room.
In yet another alternative embodiment, the substation architecture further comprises a second hanger arm 601; one end of the second wire hanging arm 601 is fixedly connected with the right end of the first connecting piece 701, and the other end of the second wire hanging arm is fixedly connected with the left end of the second connecting piece 702; the second hanger arm 601 is provided with the hanging point 19 for hanging an insulator.
In yet another alternative embodiment, the front end of the second hanger arm is fitted with a U-shaped loop 18 for securing an attendant harness.
In a further alternative embodiment, the first support assembly and/or the second support assembly has mounted thereon a ladder stand 8 for servicing.
In yet another alternative embodiment, the material of at least one of the first support assembly, the second support assembly, the first hanger arm 501, the first extension arm 401, the second extension arm 402, the first connector 701, and the second connector 702 is carbon alloy steel Q345.
Example two
Referring to fig. 1-2, the present embodiment discloses a "mouth" shaped overhead frame, which is mounted on the roof of a substation distribution equipment building, and includes a first upright post 101, a second upright post 102, a first diagonal post 201, a second diagonal post 202, a first wire hanging arm 501, a second wire hanging arm 601, a first extending arm 401, a second extending arm 402, a first connector 701, a second connector 702, a first connector arm 301, and a second connector arm 302.
Referring to fig. 3, the first upright 101 and the second upright 102 are each composed of a column head end plate 9, a reinforcement rib plate 10, a vertical column 11 and a column foot bottom plate 12, and are main stress points in the vertical direction of the "mouth" shaped overhead framework. The lower part of the column head end plate 9 is welded with the column core steel pipe, and the upper part is connected with a connecting piece by adopting a high-strength bolt and is connected with a wire hanging arm, an extending arm and a connecting arm through the connecting piece. The rib plates 10 serve to improve the local compression of the core steel tube. The column core steel pipe is manufactured by adopting low-alloy high-strength structural steel Q345 with the diameter of 350mm, the thickness of 6mm and the length of 6780 mm. The upper part of the column base bottom plate 12 is welded with the column core steel pipe, and the lower part is used for fixing the column on the ground through a high-strength bolt. The first and second posts 101, 102 are 6800mm long in order to avoid the distance 3400mm from the bare conductor to the ground.
Referring to fig. 4, the first diagonal column 201 and the second diagonal column 202 are each composed of a column head end plate 9, a reinforced rib plate 10, a diagonal brace 13 and a column foot bottom plate 12, and are second stress points in the vertical direction of the "mouth" shaped overhead framework. The lower part of the column head end plate 9 is welded with the diagonal brace 13, and the upper part is connected with the column head bottom plate point of the connecting arm by adopting a high-strength bolt and is connected with the connecting arm through the column head bottom plate point of the connecting arm. The stiffening rib 10 serves to improve the local compression of the diagonal strut 13. The diagonal brace 13 is made of carbon alloy steel Q345 with the diameter of 350mm, the thickness of 6mm and the length of 6980 mm. The upper part of the column base plate 12 is welded with the diagonal brace 13, and the diagonal brace is fixed on the ground by a high-strength bolt at the lower part. The first diagonal column 201 or the second diagonal column 202 is provided with a ladder stand 8 which is composed of galvanized round steel.
Referring to fig. 5, the first hanger arm 501 is connected to a high voltage outlet mainly through a high voltage insulator. The first wire hanging arm 501 consists of two U-shaped column head plates 14 and a horizontal column 15, wherein the horizontal column 15 is made of carbon alloy steel Q345 with the diameter of 250mm, the thickness of 5mm and the length of 7700mm, two ends of the horizontal column 15 are connected with the extending arm through the U-shaped column head plates 14, and a plurality of wire outlet hanging points 16 are welded at the lower ends of the horizontal column, and are used for being connected with a high-voltage wire outlet through a high-voltage insulator;
referring to fig. 6, the second hanger arm 601 is connected with the high voltage jumper mainly through a high voltage insulator. The second wire hanging arm 601 is composed of column head plates 17 at two ends and a horizontal column 20, the horizontal column is made of carbon alloy steel Q345 with the diameter of 250mm and the thickness of 5mm, and the two ends are respectively connected with the connecting arm, the extending arm and the upright post through connecting pieces. The front end of the second wire hanging arm 601 is welded with a plurality of U-shaped maintenance armrests 18 which are used for being connected with safety belts of maintenance personnel, so that the safety of the maintenance personnel is ensured; the lower end of the second wire hanging arm 601 is welded with a plurality of hanging points 19, and the hanging points are used for being connected with a high-voltage jumper wire through a high-voltage insulator, so that the transition of the high-voltage wire from a high position to a low position is ensured.
Referring to fig. 7, the first connecting arm 301 and the second connecting arm 302 are each composed of a connecting arm column head end plate 21, a connecting arm horizontal column 24, three U-shaped clamping plates 22 and a column head bottom plate 23, wherein the horizontal column 24 is made of carbon alloy steel Q345 with a diameter of 300mm, a thickness of 6mm and a length of 1200mm, and is a pivot connecting pipe of a "mouth" shaped overhead framework. One end of the column is respectively connected with the extension arm, the second wire hanging arm 601 and the upright post through connecting pieces, and the other end of the column is connected with the inclined post through three U-shaped clamping plates 22 and a column head bottom plate.
Referring to fig. 8, the first extension arm 401 and the second extension arm 402 are each composed of an extension arm column head end plate 25, a horizontal column 26 and two middle clamping plates 27, the horizontal column is made of carbon alloy steel Q345 with a diameter of 300-250mm, a thickness of 6mm and a length of 4400mm, one end of the horizontal column is connected with the U-shaped column head plate 14 of the first wire hanging arm 501 through the middle clamping plates, and the other end of the horizontal column is connected with the connecting arm, the second wire hanging arm 601 and the upright post through connecting pieces.
Referring to fig. 9, each of the first connector 701 and the second connector 702 is composed of a trapezoidal node plate 29, two reinforced steel pipes 30, one dodecagonal steel pipe 31 and four connector column end plates 28. Three fan-shaped reinforced inner rings 32 are arranged in the trapezoid node plates 29, a steel plate is arranged at the upper part and the lower part respectively, and the lower steel plate is connected with the upright post through high-strength bolts. In addition, the three column head end plates 9 are respectively connected with the line hanging arm, the extending arm and the connecting arm through high-strength bolts.
Referring to fig. 10, the ladder stand 8 is composed of a long angle steel 33, a stepping angle steel 34, a cage buckle 35 and a fixed support 36. The long angle steel 33 of the cat ladder 8 is fixed on the channel steel fixing support 36 on the inclined column through the U-shaped clamp, an maintainer climbs up to the top of the framework from the ground, the cage protection buckle 35 is arranged on the long angle steel of the cat ladder 8, and the main effect is to protect the safety of the climbing process of the maintainer.
According to the embodiment of the utility model, the first wire hanging arm is supported by the two extending arms, so that the first wire hanging arm can extend outwards for 4500mm, the high-voltage insulator is connected with the high-voltage wire, 900mm of electrical distance between the non-shielding bare conductor charged part and the grounding part and 2900mm of electrical distance between the non-shielding bare conductor charged part and the edge parts of a building and a structure can be avoided, the high-voltage wire is smoothly transited from a low position to a high position, and the problem that high-voltage wires of a transformer substation of a fully-closed combined device in a mountain mining user are difficult to be out is solved. And the practical application difficulty of the embodiment of the utility model is lower: 1) Bidding and purchasing: the upright post, the inclined post, the wire hanging arm, the extension arm and the connecting arm are all made of steel materials, and are simple in material and universal in form; 2) And (3) in the aspect of construction and installation: the components of the framework can be connected after being transported to a construction site, so that the utility model has the characteristics of simplified construction procedures and short operation time, and can fully ensure the construction quality of the framework; 3) Operation and maintenance aspects: the framework of the utility model is formed by one-step installation, the stress is reliable, and the later period is basically maintenance-free.
The disclosure of the embodiments of the present utility model is merely a preferred embodiment of the present utility model, and is merely for illustrating the technical scheme of the present utility model, but not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (7)
1. The transformer substation framework is applied to a transformer substation room adopting a totally-enclosed combined electrical appliance, and the input end of the totally-enclosed combined electrical appliance is arranged outside the transformer substation room and is characterized by comprising a first supporting component, a second supporting component, a first wire hanging arm, a first extending arm, a second extending arm, a first connecting piece and a second connecting piece;
the bottoms of the first supporting component and the second supporting component are fixed on the roof of the transformer room, the top of the first supporting component is fixedly connected with the bottom of the first connecting piece, and the top of the second supporting component is fixedly connected with the bottom of the second connecting piece;
the rear end of the first extending arm is fixedly connected with the front end of the first connecting piece, and the rear end of the second extending arm is fixedly connected with the front end of the second connecting piece;
one end of the first wire hanging arm is fixedly connected with the front end of the first extending arm, and the other end of the first wire hanging arm is fixedly connected with the front end of the second extending arm;
the first wire hanging arm is provided with a hanging point for hanging and fixing an insulator, the insulator is used for insulating and hanging a power transmission line, and the distance between the first wire hanging arm and the edge of the power transformation room is larger than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room; the power transmission line is a high-voltage line introduced by a power grid system and is electrically connected with the input end of the fully-closed combined electrical appliance through the insulator of the first wire hanging arm.
2. The substation framework of claim 1, wherein the first support assembly comprises a first upright, a first diagonal, and a first connecting arm, and the second support assembly comprises a second upright, a second diagonal, and a second connecting arm;
the top of the first upright post is fixedly connected with the bottom of the first connecting piece, the front end of the first connecting arm is fixedly connected with the rear end of the first connecting piece, and the top of the first inclined post is fixedly connected with the bottom of the rear side of the first connecting arm;
the top of the second upright post is fixedly connected with the bottom of the second connecting piece, the front end of the second connecting arm is fixedly connected with the rear end of the second connecting piece, and the top of the second inclined post is fixedly connected with the bottom of the rear side of the second connecting arm.
3. The substation framework of claim 1, further comprising post insulators; the post insulator is vertically arranged on the roof edge of the power transformation room, the top of the post insulator is used for fixing and insulating a power transmission line from the first wire hanging arm, and the distance between the top of the post insulator and the roof edge of the power transformation room is larger than or equal to the minimum safe clear distance of an outdoor power distribution device corresponding to the power transformation room.
4. The substation framework of claim 1, further comprising a second hanger arm; one end of the second wire hanging arm is fixedly connected with the right end of the first connecting piece, and the other end of the second wire hanging arm is fixedly connected with the left end of the second connecting piece; and the second wire hanging arm is provided with a hanging point for hanging the insulator.
5. The substation framework according to claim 4, characterized in that the front end of the second hanger arm is fitted with a U-shaped loop for securing an attendant harness.
6. The substation framework according to claim 1, characterized in that a ladder for service is mounted on the first support assembly and/or the second support assembly.
7. The substation framework of claim 1, wherein a material of at least one of the first support assembly, the second support assembly, the first hanger arm, the first reach arm, the second reach arm, the first connector, and the second connector is carbon alloy steel Q345.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320379605.0U CN219659152U (en) | 2023-03-02 | 2023-03-02 | Transformer substation framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320379605.0U CN219659152U (en) | 2023-03-02 | 2023-03-02 | Transformer substation framework |
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| Publication Number | Publication Date |
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| CN219659152U true CN219659152U (en) | 2023-09-08 |
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| CN202320379605.0U Active CN219659152U (en) | 2023-03-02 | 2023-03-02 | Transformer substation framework |
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| CN (1) | CN219659152U (en) |
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