CN221150908U - A do not have and prop end framework of being qualified for next round of competitions for 330kV transformer substation - Google Patents

Abstract

The application discloses a support-end-free outlet framework for a 330kV transformer substation, and relates to the technical field of transformer engineering. The device comprises a plurality of herringbone column frameworks, rigid shear struts and framework beams; the herringbone column frameworks are symmetrically arranged by taking the rigid shear column as a center and are arranged on the same horizontal line at intervals; the frame beams are connected between the top ends of any two adjacent herringbone column frames, and the frame beams are also connected between the top ends of the two herringbone column frames adjacent to the rigid shear support columns and the top ends of the rigid shear support columns; the rigid shear stay comprises a first herringbone column, a second herringbone column and a connecting assembly, wherein the first herringbone column and the second herringbone column are vertically arranged in parallel and are connected through the connecting assembly. The end support of the traditional wire outlet framework is eliminated, the structural bearing capacity is high, the lateral rigidity resistance is good, the occupied area can be reduced, and the economic benefit is improved.

Description

A do not have and prop end framework of being qualified for next round of competitions for 330kV transformer substation

Technical Field

The application relates to the technical field of power transformation engineering, in particular to a support-end-free outlet framework for a 330kV transformer substation.

Background

The 330kV transformer substation has the advantages that the voltage level is high, the section of a wire is thicker, and the stress on the framework is larger, so that the existing 330kV transformer substation outgoing line framework generally adopts a mode of adopting a herringbone column and adding an inclined strut at the end part to bear outgoing line load. However, the outlet height of the 330kV transformer substation is higher, so that the end support is larger (the root support is generally 1/5 of the height of the framework), the axial length of the whole framework is long, the occupied area is large, and the economical efficiency is poor.

Disclosure of Invention

The application aims to provide a support-end-free outgoing line framework for a 330kV transformer substation, which is characterized in that a rigid shear strut is arranged in the middle of the outgoing line framework, the end support of the traditional outgoing line framework is eliminated, the structural bearing capacity is high, the side rigidity is good, the occupied area can be reduced, and the economic benefit is improved.

The technical scheme of the application is as follows:

The embodiment of the application provides a support-end-free outlet framework for a 330kV transformer substation, which comprises a plurality of herringbone column frameworks, rigid shear struts and framework beams; the herringbone column frameworks are symmetrically arranged by taking the rigid shear column as a center and are arranged on the same horizontal line at intervals; the frame beams are connected between the top ends of any two adjacent herringbone column frames, and the frame beams are also connected between the top ends of the two herringbone column frames adjacent to the rigid shear support columns and the top ends of the rigid shear support columns;

The rigid shear stay comprises a first herringbone column, a second herringbone column and a connecting assembly, wherein the first herringbone column and the second herringbone column are vertically arranged in parallel and are connected through the connecting assembly.

Further, in some embodiments of the present application, each of the first and second herringbone posts is horizontally provided with a plurality of connecting beams, and the plurality of connecting beams are arranged at intervals in a height direction of the first and second herringbone posts and are parallel to each other; the connecting beams on the first herringbone columns are in one-to-one correspondence with the connecting beams on the second herringbone columns in position.

Further, in some embodiments of the present application, the connecting assembly includes a plurality of tie bars and tie diagonal bars; the two ends of the tie cross rod and the tie diagonal rod are respectively connected with the first herringbone column and the second herringbone column; the plurality of tie cross bars and the tie diagonal bars are arranged in a Z shape from top to bottom in sequence according to the sequence of the tie cross bars, the tie diagonal bars and the tie cross bars.

Further, in some embodiments of the present application, two connecting beams corresponding to each other on the first herringbone pillar and the second herringbone pillar are jointly limited and shaped into a square structure with two corresponding tie crossbars on the same horizontal plane; a plurality of square structures are arranged between the first herringbone column and the second herringbone column from top to bottom at intervals.

Further, in some embodiments of the present application, mounting plates are disposed at the top of each of the first and second herringbone posts, two ends of the tie bar at the highest position are respectively connected to two mounting plates, and the two mounting plates and the two tie bars corresponding to the highest position together define the square structure.

Further, in some embodiments of the present application, one or more square units are disposed in any one of the square structures, and a first tie web member and a second tie web member are connected between two diagonal points in any one of the square units, where the first tie web member and the second tie web member together form an x-type structure.

Further, in some embodiments of the present application, the connecting assembly further includes a third tie web member disposed within the square structure; when a plurality of square units are arranged in the square structure, the square units are divided by the third tie web members; and two ends of the third tie web member are respectively connected with the two corresponding tie cross bars and are vertical to the tie cross bars.

Further, in some embodiments of the present application, the first tie web member and the second tie web member are perpendicular.

Further, in some embodiments of the present application, a fixing member for fixedly connecting the first tie web member and the second tie web member is provided at an intersection point of any one of the x-shaped structures; and connecting pieces for connecting the first drawknot web member and the second drawknot web member are arranged at four corners in any one square unit.

Further, in some embodiments of the present application, an angle between the adjacent tie bars and the tie diagonal bars is 45 °.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

In view of the foregoing, embodiments of the present application provide a braced end-less outlet frame for a 330kV substation that includes a plurality of column trusses, rigid shear braces, and truss beams. The rigid shear stay is arranged at the center of the framework to provide the longitudinal rigidity of the whole structure system, bear the load in the wire outlet direction (namely vertical to the longitudinal length direction) and the load in the longitudinal length direction (when wires in the wire outlet direction draw the framework beam, the longitudinal force is generated), and the rigid shear stay is matched with the conventional herringbone stay to provide the structural rigidity in the wire outlet direction (namely vertical to the longitudinal length direction) and bear the wire outlet load; the herringbone column and the rigid shear stay column are connected through the framework beam, load in the longitudinal direction is transmitted, load in the wire outlet direction (namely, the direction perpendicular to the longitudinal length direction) is born, and the load is transmitted to the herringbone column. When the device is in operation, after a wire in the wire outlet direction (namely, vertical to the longitudinal length direction) is hung, the wire force is transmitted to the herringbone column and the rigid shear support column through the framework beam, and the rigid shear support column resists bearing load and resists deformation through higher rigidity.

The rigid shear stay is arranged at the central position, so that end supports in a transmission appearance framework are canceled, and colleagues with improved structural bearing capacity and lateral rigidity resistance can be reduced, the overall occupied area of the structure is reduced, and the economic benefit is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related 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 non-support end outlet framework of a 330kV transformer substation according to an embodiment of the present application;

FIG. 2 is a side view of a rigid shear strut in an embodiment of the present application;

FIG. 3 is an elevation view of a rigid shear strut in an embodiment of the present application;

FIG. 4 is a view at A-A of FIG. 3;

FIG. 5 is a view at B-B in FIG. 3;

Fig. 6 is a view at C-C in fig. 3.

Reference numerals: 1-a rigid shear strut; 11-a first herringbone column; 12-a second herringbone column; 13-connecting the cross beam; 14-tie bars; 15-pulling a knot diagonal rod; 16-mounting plate; 17-a first tie web member; 18-a second tie web member; 19-a third tie web member; 110-a connector; 2-herringbone column frameworks; 3-frame beams.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present application, it should be noted that, if the azimuth or positional relationship indicated by the terms "center", "inner", etc. appears, the azimuth or positional relationship is based on that shown in the drawings, or is the azimuth or positional relationship that is commonly put when the product of this application is used, it is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal or overhanging, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, "plurality" means at least 2.

In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.

The features and capabilities of the present application are described in further detail below in connection with examples.

Referring to fig. 1-5, an embodiment of the present application provides a non-supporting end outlet frame for a 330kV substation, as shown in fig. 1, which includes a plurality of column frames 2, a rigid shear strut 1, and a frame beam 3; the herringbone column frameworks 2 are symmetrically arranged by taking the rigid shear column 1 as a center and are arranged on the same horizontal line at intervals; the frame beam 3 is connected between the top ends of any two adjacent herringbone column frames 2, and the frame beam 3 is also connected between the top ends of the two herringbone column frames 2 adjacent to the rigid shear strut 1 and the top ends of the rigid shear strut 1.

As shown in fig. 2 and 3, in further embodiments of the present application, the rigid shear strut 1 includes a first herringbone strut 11, a second herringbone strut 12, and a connecting assembly, wherein the first herringbone strut 11 is vertically juxtaposed with the second herringbone strut 12 and connected by the connecting assembly.

As shown in fig. 2, further, in some embodiments of the present application, each of the first herringbone pillar 11 and the second herringbone pillar 12 is horizontally provided with a plurality of connecting beams 13, and the plurality of connecting beams 13 are arranged at intervals in a height direction of the first herringbone pillar 11 and the second herringbone pillar 12 and are parallel to each other; the connecting beams 13 on the first herringbone columns 11 are in one-to-one correspondence with the connecting beams 13 on the second herringbone columns 12 in position; specifically, in some embodiments of the present application, the number of the connecting beams 13 on each of the first and second chevron posts 11 and 12 is two.

As shown in fig. 3, further, in some embodiments of the present application, the connecting assembly includes a plurality of tie bars 14 and tie diagonal bars 15; both ends of the tie cross bar 14 and the tie diagonal bar 15 are respectively connected with the first herringbone column 11 and the second herringbone column 12; the plurality of tie cross bars 14 and the tie diagonal bars 15 are arranged in a Z shape from top to bottom in sequence of the tie cross bars 14, the tie diagonal bars 15 and the tie cross bars 14; further, in some embodiments of the present application, the included angle between the adjacent tie bars 14 and tie diagonal bars 15 should be close to 45 °, preferably 45 °, and the number of the specific tie bars 14 and tie diagonal bars 15 is set as required based on the overall height of the structure, while maintaining the included angle as 45 ° as much as possible; specifically, in some embodiments of the present application, 6 tie bars 14 are provided in total, and any two adjacent tie bars 14 are directly provided with tie diagonal bars 15. Further, in some embodiments of the present application, the bottoms of the first and second chevron posts 11 and 12 are provided with an X-shaped connection structure formed by intersecting tie diagonal bars 15, and the bottoms of the first and second chevron posts 11 and 12 are connected by the X-shaped connection structure, so as to enhance the supporting capability of the bottom end of the structure and improve the strength performance. The tie cross bar 14 and the tie diagonal bar 15 are continuously arranged according to the Z shape above the X-shaped connecting structure. Further, the x-type connection structure may be formed by two tie diagonal rods 15 intersecting each other, or may be formed by connecting a longer tie diagonal rod 15 and two shorter tie diagonal rods 15 with a connection device located at an intersection (as shown in fig. 3); the latter arrangement is beneficial to making the conduction mode of the bearing capacity more definite and direct; similarly, in the x-shaped connecting structure at the bottom end, the included angle between the tie diagonal 15 and the tie cross bar 14 adjacent above the tie diagonal should be close to 45 degrees, and preferably 45 degrees; the included angle between the tie diagonal rods 15 which are mutually intersected in the X-shaped connecting structure is close to 90 degrees, and preferably 90 degrees.

As shown in fig. 5-6, in further embodiments of the present application, two connecting beams 13 corresponding to each other on the first herringbone pillar 11 and the second herringbone pillar 12 are jointly limited to a square structure with two corresponding tie crossbars 14 on the same horizontal plane; a plurality of square structures are arranged between the first herringbone posts 11 and the second herringbone posts 12 from top to bottom at intervals. Further, in some embodiments of the present application, the number of square structures is related to the number of connecting beams 13, and the number of connecting beams 13 corresponds to the arrangement of tie bars 14 and tie diagonal bars 15 arranged in a zigzag shape; in general, a corresponding set of connecting beams 13 are disposed at corresponding positions of the first and second herringbone posts 11 and 12 from top to bottom for every two sets of zigzag structures (two tie diagonal bars 15), and together define the square structure. Specifically, the actual setting condition should be as satisfied as possible that the included angle between the adjacent tie bar 14 and tie diagonal bar 15 is close to 45 °, and preferably 45 °.

As shown in fig. 4, further, in some embodiments of the present application, the top of each of the first herringbone pillar 11 and the second herringbone pillar 12 is provided with a mounting plate 16, two ends of the tie bar 14 located at the highest position are respectively connected to two mounting plates 16, and the two mounting plates 16 and the two tie bars 14 corresponding to the highest position together define the square structure;

As shown in fig. 4-6, further, in some embodiments of the present application, one or more square units are disposed in any one of the square structures, and a first tie web member 17 and a second tie web member 18 are connected between two diagonal points in any one of the square units, where the first tie web member 17 and the second tie web member 18 together form an x-type structure;

as shown in fig. 4-5, further, in some embodiments of the application, the connection assembly further includes a third tie web member 19 disposed within the square structure; when a plurality of square units are arranged in the square structure, the square units are divided by the third tie web member 19; the two ends of the third tie web member 19 are respectively connected with the two corresponding tie cross bars 14 and are perpendicular to the tie cross bars 14;

As shown in fig. 4-6, further, in some embodiments of the present application, the number of square units in any one of the square structures is related to the included angle between the first tie web members 17, the second tie web members 18 and the tie rail 14; specifically, the number of square cells in the square structure should be determined under the condition that the angles between the first tie web member 17, the second tie web member 18 and the adjacent tie bar 14 are approximately 45 ° (preferably 45 °) as much as possible. Specifically, as shown in fig. 4-6, in some embodiments of the present application, the rigid shear strut 1 is provided with three sets of square structures from top to bottom, and two square structures above are rectangular due to the smaller width of the corresponding positions of the herringbone struts, so that in order to make the included angle between the first tie web member 17, the second tie web member 18 and the tie cross bar 14 approach 45 °, two square units need to be arranged in the square structures; the width of the corresponding position of the herringbone column of the bottommost square structure is larger, and the square structure is square, so that the included angles between the first tie web member 17, the second tie web member 18 and the tie cross bar 14 can be close to 45 degrees only by arranging one square unit.

As shown in fig. 4-5, further, in some embodiments of the application, the first tie web member 17 and the second tie web member 18 are perpendicular.

As shown in fig. 4-6, further, in some embodiments of the present application, a fixing member for fixedly connecting the first tie web member 17 and the second tie web member 18 is provided at an intersection of any one of the x-shaped structures; the four corners of any one of the square units are provided with connectors 110 for connecting the first tie web members 17 and the second tie web members 18. Further, in some embodiments of the present application, the x-shaped structure may be formed by intersecting the first tie web member 17 and the second tie web member 18, which have the same length, or may be formed by intersecting one longer second tie web member 18 and two shorter first tie web members 17 via the connecting member 110 (as shown in fig. 6), which is beneficial for making the force transmission more clear and direct.

As shown in fig. 3, further, in some embodiments of the present application, the angle between the adjacent tie bar 14 and the tie diagonal 15 is 45 °.

In summary, the embodiment of the application provides a support-free end outlet frame for a 330kV transformer substation, which is characterized in that the rigid shear strut 1 is arranged at the central position to provide the longitudinal rigidity of the whole structure system, bear the load in the outlet direction (namely, the direction vertical to the longitudinal length direction) and the load in the longitudinal length direction (when a wire in the outlet direction draws the cable to the frame beam 3, the force in the longitudinal direction is generated), cancel the end support in the transmission and appear in the frame, and the support-free end frame is matched with the herringbone strut frame 2 and the frame beam 3, so that the overall occupied area of the structure is reduced in the colleague of improving the bearing capacity and the lateral rigidity of the structure, thereby further improving the economic benefit.

The embodiments described above are some, but not all embodiments of the application. The detailed description of the embodiments of the application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Claims (10)

1. The non-support end outgoing framework for the 330kV transformer substation is characterized by comprising a plurality of herringbone column frameworks, rigid shear struts and framework beams; the herringbone column frameworks are symmetrically arranged by taking the rigid shear supporting columns as the centers and are arranged on the same horizontal line at intervals; the frame beams are connected between the top ends of any two adjacent herringbone column frames, and the frame beams are also connected between the top ends of the two herringbone column frames adjacent to the rigid shear support columns and the top ends of the rigid shear support columns;

the rigid shear stay comprises a first herringbone column, a second herringbone column and a connecting assembly, wherein the first herringbone column and the second herringbone column are vertically arranged in parallel and are connected through the connecting assembly.

2. The non-support end outlet frame for a 330kV substation of claim 1, wherein the first herringbone column and the second herringbone column are each horizontally provided with a plurality of connecting beams, and the plurality of connecting beams are arranged at intervals along the height direction of the first herringbone column and the second herringbone column and are parallel to each other; the connecting beams on the first herringbone columns are in one-to-one correspondence with the connecting beams on the second herringbone columns in position.

3. A non-braced end outlet frame for a 330kV substation according to claim 2, wherein the connection assembly comprises a plurality of tie crossbars and tie diagonal rods; the two ends of the tie cross rod and the tie diagonal rod are respectively connected with the first herringbone column and the second herringbone column; the drawknot cross bars and the drawknot diagonal bars are arranged in a Z shape from top to bottom in sequence according to the order of drawknot cross bars, drawknot diagonal bars and drawknot cross bars.

4. A non-braced end outlet frame for a 330kV substation according to claim 3, characterized in that two connecting crossbeams corresponding to each other on the first and second herringbone posts are jointly defined with two corresponding tie crossbars on the same horizontal plane to form a square structure; a plurality of square structures are arranged between the first herringbone columns and the second herringbone columns from top to bottom at intervals.

5. The non-support end outlet framework for a 330kV transformer substation according to claim 4, wherein mounting plates are arranged at the tops of the first herringbone column and the second herringbone column, two ends of the tie cross rod positioned at the highest position are respectively connected to the two mounting plates, and the two mounting plates and the two corresponding tie cross rods positioned at the highest position jointly define a square structure.

6. The end-support-free outgoing line framework for a 330kV transformer substation according to claim 5, wherein one or more square units are arranged in any square structure, a first tie web member and a second tie web member are respectively connected between two diagonal fixed points in any square unit, and the first tie web member and the second tie web member form an X-shaped structure together.

7. A non-braced end outlet frame for a 330kV substation according to claim 6, wherein the connection assembly further comprises a third tie web member disposed within the square structure; when a plurality of square units are arranged in the square structure, the square units are divided by the third tie web members; and two ends of the third tie web member are respectively connected with the two corresponding tie cross bars and are perpendicular to the tie cross bars.

8. The strapless outlet frame for a 330kV substation of claim 6, wherein the first tie web member and the second tie web member are perpendicular.

9. The strapless outlet frame for 330kV substations of claim 6, wherein a fixing member for fixedly connecting the first tie web member and the second tie web member is provided at an intersection point of any one of the x-type structures; and connecting pieces used for connecting the first tie web member and the second tie web member are arranged at four corners in any one square unit.

10. A non-braced end outlet frame for a 330kV substation according to claim 3, wherein the angle between adjacent tie bars and tie diagonal bars is 45 °.