CN220266283U - Combined structure of trestle and power transmission framework of power plant - Google Patents
Combined structure of trestle and power transmission framework of power plant Download PDFInfo
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- CN220266283U CN220266283U CN202322046979.3U CN202322046979U CN220266283U CN 220266283 U CN220266283 U CN 220266283U CN 202322046979 U CN202322046979 U CN 202322046979U CN 220266283 U CN220266283 U CN 220266283U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 99
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 17
- 239000011150 reinforced concrete Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a power plant trestle and power transmission framework combined structure, which is characterized by comprising a trestle structure and a power transmission framework structure, wherein the trestle structure comprises a first support structure and trestle, the first support structure comprises a plurality of trestle supports, the trestle is arranged on the trestle supports, and two ends of the trestle are respectively supported on adjacent buildings; the power transmission framework structure comprises a second support structure and a power transmission framework, the second support structure comprises a plurality of power transmission framework supports, the plurality of power transmission framework supports are located on the upper end face of the trestle and integrally connected with the trestle support on the lower end face of the trestle, and the power transmission framework is arranged on the plurality of power transmission framework supports. According to the method, the trestle is combined with the power transmission framework, so that the problem of collision between the power transmission framework and other buildings is solved well, and the land area can be saved greatly.
Description
Technical Field
The present disclosure relates to a support structure, and more particularly, to a combined structure of a power plant trestle and a power transmission frame.
Background
When the thermal power plant is planned and built, because the internal system of the factory is complex, various buildings and comprehensive pipelines are numerous, and the power transmission framework and other buildings or pipe frames often have cross collision. The traditional solution is to enlarge the floor area of the factory, re-plan the whole factory and separate the power transmission framework from other buildings independently. The solution is large in wasted site area, and in addition, the independent construction of the power transmission framework and other buildings can greatly increase the cost and construction period of the whole engineering project, so that the solution is difficult to implement even under the condition of limited construction site conditions. Therefore, cross collision of the power transmission framework with other buildings is an urgent problem to be solved in power plant planning construction.
Disclosure of Invention
Aiming at the defects in the prior art, the purpose of the present disclosure is to provide a combined structure of a trestle and a power transmission framework of a power plant, which can effectively solve the problem of cross collision between the power transmission framework and a building.
In order to achieve the above object, the present disclosure provides the following technical solutions:
a power plant trestle and power transmission framework composite structure comprising:
the trestle structure comprises a first support structure and trestle, the first support structure comprises a plurality of trestle supports, the trestle is arranged on the trestle supports, and two ends of the trestle are respectively supported on adjacent buildings;
the power transmission framework structure comprises a second support structure and a power transmission framework, the second support structure comprises a plurality of power transmission framework supports, the plurality of power transmission framework supports are located on the upper end face of the trestle and integrally connected with the trestle support on the lower end face of the trestle, and the power transmission framework is arranged on the plurality of power transmission framework supports.
Preferably, the plurality of trestle brackets are sequentially arranged from high to low or from low to high.
Preferably, the heights of the plurality of power transmission frame supports are equal.
Preferably, the plurality of power transmission frame supports are arranged at equal intervals or at unequal intervals.
Preferably, the trestle support and the power transmission framework support comprise any one of the following: single truss structure, lattice structure and frame structure.
Preferably, the trestle adopts a steel truss structure.
Preferably, the power transmission framework adopts a triangular section steel truss structure or a rectangular section steel truss structure.
Preferably, a support is arranged on the trestle support, and the trestle is fixed with the trestle support through the support.
Preferably, the support is in the form of a steel structural bracket.
Preferably, a foundation is arranged at the bottom end of the trestle support.
Compared with the prior art, the beneficial effects that this disclosure brought are:
1. the trestle is combined with the power transmission framework, so that the problem of collision between the power transmission framework and other buildings is solved well, and the land area can be saved greatly;
2. the combined structure formed by the trestle structure and the power transmission framework structure is simple in form, clear and reasonable in structural stress and simple in engineering design;
3. the support structure of the power transmission framework and the support structure of the trestle are combined into a whole, so that the engineering construction cost can be remarkably reduced, the construction speed is improved, and the engineering construction period is shortened.
Drawings
Fig. 1 is a schematic plan view of a combined structure of a trestle and a power transmission frame of a power plant according to an embodiment of the present disclosure;
fig. 2 is a schematic plan view of a combined structure of a trestle and a power transmission frame of a power plant according to another embodiment of the present disclosure;
fig. 3 is a schematic three-dimensional structure of a combined structure of a trestle and a power transmission framework of a power plant according to another embodiment of the present disclosure;
FIG. 4 (a) is a lattice-type trestle support;
FIG. 4 (b) is a frame-type landing stage stand;
fig. 4 (c) is a single-girder trestle bracket;
fig. 5 (a) is a triangular cross-section power transmission architecture;
fig. 5 (b) is a rectangular cross-section power transmission architecture;
the reference numerals are explained as follows:
1. a foundation; 2-1, trestle brackets; 2-2, a power transmission framework bracket; 3. a support; 4. trestle bridge; 5. a lightning rod; 6. a power transmission framework; 7. and (5) conducting wires.
Detailed Description
Specific embodiments of the present disclosure will be described in detail below with reference to fig. 1 to 5 (b). While specific embodiments of the disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will understand that a person may refer to the same component by different names. The specification and claims do not identify differences in terms of components, but rather differences in terms of the functionality of the components. As used throughout the specification and claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description hereinafter sets forth the preferred embodiments for carrying out the present disclosure, but is not intended to limit the scope of the disclosure in general, as the description proceeds. The scope of the present disclosure is defined by the appended claims.
For the purposes of promoting an understanding of the embodiments of the disclosure, reference will now be made to the embodiments illustrated in the drawings and specific examples, without the intention of being limiting the embodiments of the disclosure.
In one embodiment, as shown in fig. 1, 2 and 3, the present disclosure provides a power plant trestle and power transmission framework combination structure comprising a trestle structure and a power transmission framework structure, wherein,
the trestle structure comprises a first support structure and trestle 4, wherein the first support structure comprises a plurality of trestle supports 2-1, the trestle 4 is arranged on the trestle supports 2-1, and two ends of the trestle 4 are respectively supported on adjacent buildings;
the power transmission framework structure comprises a second support structure and a power transmission framework 6, the second support structure comprises a plurality of power transmission framework supports 2-2, the plurality of power transmission framework supports 2-2 are located on the upper end face of the trestle 4 and are integrally connected with the trestle support 2-1 on the lower end face of the trestle 4, the power transmission framework 6 is arranged on the plurality of power transmission framework supports 2-2, and the power transmission framework 6 and lightning rods 5 and wires 7 arranged on the power transmission framework form a power transmission line component of a power plant.
The above embodiments constitute a complete technical solution of the present disclosure. In the embodiment, the power transmission framework is arranged above the trestle, so that the problem of collision between the power transmission framework and a building can be well solved, meanwhile, the occupied area of a factory is not required to be enlarged, and the power station has a wide engineering application prospect in a power plant with limited construction sites. In addition, a power transmission framework support used for supporting the power transmission framework is integrally connected with a trestle support used for supporting a trestle, so that the engineering construction cost can be reduced, the use speed is improved, and the engineering construction period is shortened.
In another embodiment, the plurality of trestle brackets are arranged in order from high to low or from low to high.
In this embodiment, since the two ends of the trestle are respectively supported on the adjacent buildings, and the heights of the buildings are generally different, the trestle is generally inclined, and thus, the trestle support for supporting the trestle is further caused to be arranged in a uniform height between the two buildings with different heights.
In addition, it should be noted that the trestle brackets may be equidistant or non-equidistant, and specifically needs to be set according to actual construction conditions, but the precondition is to ensure the stability of the trestle.
In another embodiment, the heights of the plurality of power transmission frame supports 2-2 are equal.
In this embodiment, since it is required to ensure that the power transmission frame is parallel to the ground, even if the heights of the bottoms of the plurality of power transmission frame supports are inconsistent (since the trestle is inclined, and the power transmission frame supports are disposed on the upper end surface of the trestle, the power transmission frame supports are disposed in a gradient manner on the upper end surface of the trestle), it is also required to ensure that the upper ends of the power transmission frame supports are parallel, that is, the heights of the plurality of power transmission frame supports for supporting the power transmission frame are necessarily equal.
In another embodiment, the plurality of power transmission frame supports 2-2 are arranged at equal intervals or at unequal intervals.
In this embodiment, different steel truss structures (for example, a triangle section and a rectangle section mentioned later) are adopted in the actual construction of the power transmission framework according to the field situation, while in the actual manufacture, the power transmission frameworks of different structures are all produced in a standardized manner, if the same type of steel truss structures (for example, all the triangle sections or all the rectangle sections) are adopted, the spans of the power transmission frameworks produced according to the standardization are basically consistent, and at this time, the intervals of the power transmission framework supports for supporting the power transmission frameworks are equal; if different types of steel truss structures (for example, some of the steel truss structures have triangular cross sections and some of the steel truss structures have rectangular cross sections), the spans of different types of power transmission frameworks produced according to standardization are different, and at this time, the intervals of the power transmission framework supports for supporting the power transmission frameworks should be set according to the power transmission frameworks of different spans.
In another embodiment, the trestle support and the power transmission framework support include any one of the following: single truss structure, lattice structure and frame structure.
In this embodiment, the trestle support may adopt any one of a lattice structure as shown in fig. 4 (a), a frame structure as shown in fig. 4 (b), and a single frame structure as shown in fig. 4 (c). Specifically, the single truss structure can generate larger deflection under the action of self weight and vertical external load, and the span of the single truss structure can be limited to a certain extent, so that when the trestle is low in height, small in span and small in span of the power transmission framework, the stability of the trestle and the power transmission framework is ensured, and meanwhile, the single truss structure can be preferentially adopted for saving materials and cost. The lattice structure is a rod system structure formed by connecting section steel, steel pipes or combined section rod pieces, is mostly made into trusses and lattice columns, generally consists of two solid-web column limbs, is connected by a lacing bar in the middle, has light self weight and larger stress concentration at joints, and belongs to a typical structure for bearing transverse load; the frame structure is formed by connecting beams and columns in a rigid connection or a hinged connection way, the beams and the columns form a frame to resist horizontal load and vertical load in the use process, and the frame structure is good in integrity and rigidity and has good anti-seismic effect. Therefore, when the trestle is high, the span is large, and the span of the power transmission frame is large, a lattice structure or a frame structure should be preferentially adopted to ensure the stability of the trestle and the power transmission frame.
In another embodiment, the trestle is of steel truss construction.
In this embodiment, according to the span, the trestle may adopt any one of a steel structure, a steel and reinforced concrete combined structure, and a reinforced concrete structure. The span of the common reinforced concrete structure is usually not more than 14m, and the span of the prestressed reinforced concrete truss structure can reach 30m; when the trestle span exceeds 18m, a steel truss structure is adopted; trestle of steel and reinforced concrete combined structure, its span is not suitable to exceed 24m.
In another embodiment, the power transmission frame adopts a triangular section steel truss structure as shown in fig. 5 (a) or a rectangular section steel truss structure as shown in fig. 5 (b).
In the embodiment, the power transmission framework is connected through bolts or welding, the power transmission framework adopts a steel truss structure, the material is galvanized anti-corrosion steel, and the section is triangular or rectangular. The structural form of the triangular section steel truss or the rectangular section steel truss adopts any one of the following three combinations:
combination form one: the upper chord member and the lower chord member are galvanized round steel pipes, the web members are galvanized round steel pipes, and the upper chord member and the lower chord member are welded with the web members in a factory;
and a second combination form: the upper chord member and the lower chord member are galvanized H-shaped steel or I-shaped steel, the web member is galvanized single angle steel or double-limb angle steel, and the upper chord member and the web member are spliced by adopting field bolts;
and a third combination form: the upper chord member and the lower chord member are galvanized square steel pipes, the web members are galvanized round steel pipes, and the upper chord member, the lower chord member and the web members are welded in a factory.
In another embodiment, a support 3 is disposed on the trestle support 2-1, and the trestle 4 is fixed to the trestle support 2-1 through the support 3.
In the embodiment, the connection form of the trestle and the support is a pre-embedded anchor bolt or a bolt and welding combination form, and when the trestle support adopts a cast-in-situ reinforced concrete structure, the connection form of the trestle and the support adopts the pre-embedded anchor bolt; when the trestle support adopts the steel construction, the landing stage adopts welding and bolt combination form with the connected form of support, can lead the load to landing stage support 2 through support 3.
In another embodiment, the support 3 is in the form of a steel bracket.
In this embodiment, the bracket may have a constant cross section or a variable cross section; when using a variable cross-section bracket, the end section height is not preferably less than half the root height. The cross-sectional dimensions of the bracket root can be determined according to the shear V and the bending moment M, which can be generally considered to be borne by the upper and lower flange plates of the root, and the shear V is borne by the web.
In addition, in calculation of the connection weld joint of the bracket and the trestle support, the connection weld joint of the bracket flange plate and the trestle support should adopt a welded butt weld joint, the connection weld joint of the web plate and the column can adopt an angle butt joint combined weld joint or an angle weld joint, and the size of a welding leg of the angle weld joint is determined by the shearing force V.
In another embodiment, a foundation 1 is arranged at the bottom end of the trestle support 2-1.
In the embodiment, the foundation 1 can be a shallow foundation or a pile foundation, and the pile foundation is preferentially adopted under the conditions of large span and poor geological conditions; under the conditions of small span and good geological conditions, a shallow foundation is adopted preferentially.
In another embodiment, the present disclosure provides a brief description of the installation process of the above structure.
(1) The site survey line is placed at a point, a foundation pit is excavated, foundation construction is completed, and backfilling and compaction are carried out;
(2) The reinforced concrete trestle support is subjected to formwork supporting, steel bars are bound, casting or steel structure trestle support manufacturing is completed in a processing plant, and the trestle support is assembled on the transportation site; then finishing the construction of the support;
(3) The reinforced concrete trestle is subjected to formwork supporting, steel bars are bound, casting or steel structure trestle bridge body manufacturing is completed in a processing plant, and the trestle bridge body is assembled on the transportation site; and is connected with the support;
(4) Manufacturing a power transmission framework and a lightning rod in a steel structure processing plant, and transporting the power transmission framework and the lightning rod on site;
(5) Hoisting the power transmission framework and the lightning rod;
(6) And (5) high-altitude installation and tensioning of the power transmission wires to finish construction of the trestle and power transmission framework combined structure.
The above description is only one preferred embodiment of the present disclosure, and is not intended to limit the present disclosure, but various modifications and variations can be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the technical framework of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A combined structure of a trestle and a power transmission framework of a power plant is characterized in that the combined structure comprises a trestle structure and a power transmission framework structure, wherein,
the trestle structure comprises a first support structure and trestle, the first support structure comprises a plurality of trestle supports, the trestle is arranged on the trestle supports, and two ends of the trestle are respectively supported on adjacent buildings;
the power transmission framework structure comprises a second support structure and a power transmission framework, the second support structure comprises a plurality of power transmission framework supports, the plurality of power transmission framework supports are located on the upper end face of the trestle and integrally connected with the trestle support on the lower end face of the trestle, and the power transmission framework is arranged on the plurality of power transmission framework supports.
2. The structure of claim 1, wherein the plurality of landing stage supports are arranged in order from high to low or low to high.
3. The structure of claim 1, wherein the plurality of power transmission frame supports are of equal height.
4. A structure according to claim 1 or 3, wherein the plurality of power transmission frame supports are arranged at equal or unequal intervals.
5. The structure of claim 1, wherein the trestle support and the power transmission truss support comprise any one of: single truss structure, lattice structure and frame structure.
6. The structure of claim 1, wherein the trestle is a steel truss structure.
7. The structure of claim 1, wherein the power transmission frame adopts a triangular section steel truss structure or a rectangular section steel truss structure.
8. The structure of claim 1, wherein the landing stage support is provided with a support, and the landing stage is fixed to the landing stage support through the support.
9. The structure of claim 8 wherein the support is in the form of a steel structural bracket.
10. The structure of claim 1, wherein a base is provided at a bottom end of the trestle support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322046979.3U CN220266283U (en) | 2023-08-01 | 2023-08-01 | Combined structure of trestle and power transmission framework of power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322046979.3U CN220266283U (en) | 2023-08-01 | 2023-08-01 | Combined structure of trestle and power transmission framework of power plant |
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| CN220266283U true CN220266283U (en) | 2023-12-29 |
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| CN202322046979.3U Active CN220266283U (en) | 2023-08-01 | 2023-08-01 | Combined structure of trestle and power transmission framework of power plant |
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- 2023-08-01 CN CN202322046979.3U patent/CN220266283U/en active Active
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