CN217783039U - Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation - Google Patents
Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation Download PDFInfo
- Publication number
- CN217783039U CN217783039U CN202121120872.3U CN202121120872U CN217783039U CN 217783039 U CN217783039 U CN 217783039U CN 202121120872 U CN202121120872 U CN 202121120872U CN 217783039 U CN217783039 U CN 217783039U
- Authority
- CN
- China
- Prior art keywords
- staple bolt
- hoop
- lower chord
- newly
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a newly-added hanging point structure on a triangular truss girder of an existing steel framework of a transformer substation, and solves the problems that the newly-added hanging point on the existing steel framework is simply, conveniently and quickly realized and the stress of the whole steel framework is reasonable under the condition of no power failure. The upper chord (3), the front lower chord (1) and the rear lower chord (2) which form a triangular truss are included, a front hoop (9) is arranged on the front lower chord, a newly-added wire hanging plate (15) is fixedly connected to the front half hoop of the front hoop, a front hoop rear side connecting plate (11) is fixedly connected to the rear half hoop of the front hoop, a rear hoop (10) is arranged on the rear lower chord (2), a rear hoop front side connecting plate (12) is arranged on the front half hoop of the rear hoop, and an upper connecting tie bar (13) and a lower connecting tie bar (14) are respectively arranged between the rear hoop front side connecting plate and the front hoop rear side connecting plate (11). Has certain economic benefit and better social benefit.
Description
Technical Field
The invention relates to an existing steel framework of a transformer substation, in particular to a newly-added hanging point structure on a triangular truss of the existing steel framework of the transformer substation.
Background
The transformer substation framework is a rigid framework combination and is an important infrastructure for connecting a transformer and a power transmission line; the coverage area of the power transformation framework and the hanging wires thereof is about half of the floor area of the whole transformer substation, and the power transformation framework and the hanging wires thereof are used as key links of a power transmission and distribution network, so that the safe and stable operation of the transformer substation is of great importance; the transformer substation framework mainly comprises framework columns and framework beams, and the structure of the transformer substation framework can be divided according to materials: the steel structure transformation framework and the concrete structure transformation framework are widely applied to actual engineering and are steel structure frameworks; the design service life of the transformer substation framework is generally 50 years, and in the period, due to the change of the electrical load around the transformer substation, the capacity increase and transformation of the transformer substation can be caused, so that the adjustment of an electrical scheme is caused, and the adjustment of the position of a wire hanging point of the transformer substation framework and the adjustment of the wire load are caused; in addition, due to changes of external conditions such as system schemes, owner requirements and the like, the adjustment of an electrical scheme in the substation can be caused, so that the positions of the wire hanging points of the original power transformation framework and the load of the wires are adjusted; however, the change of the position of the hanging point has difficulties for the triangular steel truss girder commonly used in the transformer substation, and the general method is to adjust the internode arrangement of the steel truss girder so as to enable a new hanging point to be positioned at the node and achieve the purpose of reasonable stress, but the problem of doing so is that the constructed truss girder needs to be dismantled and rebuilt, which causes great time waste and economic loss; if the framework is not dismantled, the welding connection operation of a new hanging point can be carried out after the relevant power transmission line is subjected to power failure treatment.
Disclosure of Invention
The invention provides a newly-added hanging point structure on a triangular truss girder of an existing steel framework of a transformer substation, and solves the technical problems that a newly-added hanging point on the existing steel framework is simply, conveniently and quickly realized and the stress of the whole steel framework is reasonable under the condition of no power outage.
The invention solves the technical problems through the following technical scheme:
the utility model provides a new increase of point structure of hanging on existing steel framework triangle-shaped truss girder of transformer substation, including the last chord member that constitutes the triangle-shaped truss, preceding lower chord member and back lower chord member, between last chord member and preceding lower chord member, be provided with leading flank straight web member and leading flank diagonal web member respectively, between preceding lower chord member and back lower chord member, be provided with bottom surface straight web member and bottom surface diagonal web member respectively, be provided with existing hanging point on preceding lower chord member, be provided with preceding staple bolt on preceding lower chord member, fixedly connected with new increase of attachment plate on preceding half staple bolt of staple bolt, be provided with new increase attachment plate between new increase attachment plate and preceding half staple bolt lateral surface, fixedly connected with preceding staple bolt rear side connecting plate on the latter half staple bolt of preceding staple bolt, be provided with back staple bolt front side connecting plate on the preceding lower chord member behind the preceding staple bolt, be provided with back staple bolt front side connecting plate on the preceding half staple bolt rear side connecting plate of following, be provided with respectively and connect the tie rod.
The front hoop is arranged between the pitches of two adjacent front side straight web members on the front lower chord; the newly added wiring board is connected to the outer side face of the front half hoop of the front hoop in a cantilever type manner; preceding staple bolt adopts bolted connection, easy dismounting, and the construction requirement that the some transformation was hung in adaptation framework later stage that can be better.
The invention can meet the requirements of process hanging points under the conditions of not dismantling the steel beam and not needing power failure, saves the material of newly-built steel beam, shortens the construction period of newly-built and mounting the steel beam, and has certain economic benefit and better social benefit.
Drawings
FIG. 1 is a schematic view of the present invention in a front view;
FIG. 2 is a schematic view of the present invention in a bottom view;
fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
the utility model provides a newly-increased hanging point structure on existing steel framework triangle-shaped truss of transformer substation, including the last chord 3 that constitutes the triangle-shaped truss, preceding lower chord 1 and back lower chord 2, between last chord 3 and preceding lower chord 1, be provided with front flank straight web member 4 and front flank diagonal web member 5 respectively, between preceding lower chord 1 and back lower chord 2, be provided with bottom surface straight web member 6 and bottom surface diagonal web member 7 respectively, be provided with existing hanging point 8 on preceding lower chord 1, be provided with preceding staple bolt 9 on preceding lower chord 1, fixedly connected with newly-increased hanging board 15 on preceding half staple bolt of preceding staple bolt 9, be provided with newly-increased hanging board strength plate 16 between newly-increased hanging board 15 and preceding half staple bolt lateral surface, fixedly connected with preceding staple bolt rear side connecting plate 11 on preceding staple bolt 9's latter half staple bolt 2, be provided with back staple bolt 10 on preceding lower chord 2 behind preceding staple bolt 9, be provided with the preceding staple bolt of back staple bolt 10 on preceding half staple bolt front side connecting plate 12, be provided with behind staple bolt 12 and preceding tie bar connecting plate 14 respectively, tie bar is connected with staple bolt 13.
The front hoop 9 is arranged between two adjacent pitches of the front side straight web members 4 on the front lower chord 1.
The invention inherits the principle of saving resources, develops a simpler novel detachable hanging point, and enables the newly-added hanging point to be arranged at any position in the span of the framework beam without being limited by the arrangement among beam sections, thereby improving the compatibility of the lattice beam to the hanging point and reducing the influence caused by the change of the hanging point in the later period; simultaneously, based on different novel detachable hanging points, be A style of calligraphy post to the most commonly used framework post in the transformer substation, the framework roof beam is 500kV of lattice formula roof beam and is qualified for the next round of competitions framework and main framework, selects the weakest ring node of atress, through limited circle atress analysis mode, has carried out whole mechanics analysis and whole deformation, hanging point atress and deformation analysis, draws following main research conclusion: for a 500kV outgoing line framework, the overall stress of a framework beam is relatively smaller in change and even slightly reduced compared with that of the original framework beam, and the stress requirement of the framework beam can be better met by newly adding hanging points; for a 500kV main transformer framework, the stress change of non-hanging node internode chord members and web members is not large, and special treatment is not needed; under the action of the outgoing line load, the deformation and the stress of the additional rod piece with the newly added hanging point can meet the requirements; the adjustable device for the steel beam of the transformer substation can meet the requirement of a process hanging point without dismantling the original steel beam, has certain economic benefit, solves the practical problems of power failure difficulty and difficult hoisting in engineering construction, particularly reconstruction and extension engineering, ensures the design quality, meets the requirement of the engineering construction period, and has obvious social benefit.
Claims (2)
1. The utility model provides a newly-increased hanging point structure on existing steel framework triangle-shaped truss beam of transformer substation, including last chord member (3) of constituteing the triangle-shaped truss, preceding lower chord member (1) and back lower chord member (2), be provided with front flank straight web member (4) and front flank diagonal web member (5) between last chord member (3) and preceding lower chord member (1) respectively, be provided with bottom surface straight web member (6) and bottom surface diagonal web member (7) respectively between preceding lower chord member (1) and back lower chord member (2), be provided with existing hanging point (8) on preceding lower chord member (1), a serial communication port, be provided with preceding staple bolt (9) on preceding lower chord member (1), fixedly connected with newly-increased hanging web member (15) on preceding half staple bolt of preceding staple bolt (9), be provided with newly-increased hanging web member (16) between newly-increased hanging web member (15) and preceding half staple bolt lateral surface, be provided with preceding staple bolt rear side connecting plate (11) on the staple bolt of preceding staple bolt (9) and be connected with behind connecting plate (11), be provided with preceding half staple bolt behind connecting plate (10) and behind connecting plate (10) behind front hoop (10) and connecting plate (10) behind staple bolt (10), be provided with preceding staple bolt (10) respectively on preceding staple bolt (10).
2. The new hanging point structure on the existing steel framework triangular truss girder of the transformer substation as claimed in claim 1, characterized in that the front hoop (9) is arranged between two adjacent pitches of the front side straight web members (4) on the front lower chord (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121120872.3U CN217783039U (en) | 2021-05-24 | 2021-05-24 | Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121120872.3U CN217783039U (en) | 2021-05-24 | 2021-05-24 | Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783039U true CN217783039U (en) | 2022-11-11 |
Family
ID=83904814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121120872.3U Active CN217783039U (en) | 2021-05-24 | 2021-05-24 | Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783039U (en) |
-
2021
- 2021-05-24 CN CN202121120872.3U patent/CN217783039U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101824905B (en) | Assembly type variable steel girder platform, distribution method and assembly method thereof | |
| CN109914244B (en) | Weak bracket system suitable for high-tower reinforced concrete combined beam steel structure installation and bottom and top plate concrete pouring and operation method thereof | |
| CN207714108U (en) | A kind of support system of the more arcading arched aqueducts of large span or bridge | |
| CN102134833A (en) | Construction method for hoisting and disassembling bailey truss | |
| CN109629350B (en) | Prestressed seamless connection concrete track beam for empty iron and construction method thereof | |
| CN217783039U (en) | Newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation | |
| CN212249231U (en) | Adjustable beam slab co-supporting type cantilever tripod construction device | |
| CN210886955U (en) | Detachable combined jig frame used on flat steel box girder | |
| CN201110804Y (en) | Multifunctional experimental bench | |
| CN205296966U (en) | Transmission line iron tower | |
| CN204149320U (en) | The producing device of steel bar framework of box beam | |
| CN113216711A (en) | Newly-increased hanging point structure on existing steel framework triangular truss of transformer substation | |
| CN201778480U (en) | Assembly type variable steel truss platform | |
| CN217760297U (en) | Simple and easy newly-increased hanging point structure on existing steel framework triangular truss girder of transformer substation | |
| CN212641166U (en) | Vertical-rod-free triangular truss split type steel guide beam | |
| CN204079226U (en) | A kind of movable beam string hanging apparatus that can increase rigidity when tubular truss lifts | |
| CN209685126U (en) | A kind of steel vestibule integrally promotes lifting lug device | |
| CN203626236U (en) | Spliced formwork supporting truss with aluminum formwork on top surface | |
| CN219117930U (en) | Beret sheet based on novel connection structure | |
| CN202082910U (en) | Main steel frame node device for tower type supercritical boiler | |
| CN205276683U (en) | Two pin composite truss | |
| CN202705932U (en) | T-beam reinforced hanger frame structure | |
| CN206070388U (en) | A kind of many case Wavelike steel webplate main girder construction Hanging Baskets of single rope | |
| CN201785764U (en) | Steel pipe concrete structured tower mast foundation | |
| CN209860477U (en) | Transmission line crossing frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |