CN218678313U - Independent bridge device for power cable - Google Patents
Independent bridge device for power cable Download PDFInfo
- Publication number
- CN218678313U CN218678313U CN202223111023.9U CN202223111023U CN218678313U CN 218678313 U CN218678313 U CN 218678313U CN 202223111023 U CN202223111023 U CN 202223111023U CN 218678313 U CN218678313 U CN 218678313U
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- bridge
- cable
- web members
- angle steel
- bridge frame
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Abstract
The utility model discloses an independent crane span structure device of power cable, include: the bridge frame unit comprises bridge frame beams, bridge frame columns and tower foot plates, wherein the bridge frame columns are installed at two ends of the bridge frame beams, and the tower foot plates are connected to the bottoms of the bridge frame columns; the groove box unit comprises connecting angle steel, a C-shaped groove box and a cable hoop, wherein the connecting angle steel is connected to the upper end and the lower end of one side face of the bridge frame beam at intervals along the length direction, the upper portion and the lower portion of the C-shaped groove box are respectively connected with the connecting angle steel, the cable hoop is arranged in the C-shaped groove box, and the cable hoop is connected to the side face of the bridge frame beam. The utility model discloses a nimble small-size space truss system, independent angle steel bridge structure of arranging, unilateral or two side aggregate erection C type groove boxes, on-the-spot bolt is installed fast and is erect, can solve newly-built power cable corridor can't lay the problem is erect to local complicated space district's such as brook beach mountain stream, narrow river, multiple traffic crossing point cable.
Description
Technical Field
The utility model relates to an independent crane span structure device of power cable belongs to transmission line cable engineering technical field.
Background
With the recent year-by-year improvement of the level of urbanization in China, the number of urban power grid cable line modification projects is rapidly increased, the difficulty of erecting power cable lines in local complex spaces such as mountain stream in creeks, narrow rivers, multiple traffic crossing points and the like is more prominent, and particularly, an erecting scheme with reasonable cost, light weight and high efficiency is urgently needed in sections where power galleries cannot be laid to ensure the smooth operation of power cables in a limited space range.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model provides an independent crane span structure device of power cable to solve newly-built cable and tunnel and can't lay the cable erection problem in local complicated space districts such as brook mountain stream, narrow river course, multiple traffic crossing point.
The technical scheme of the utility model is that: a power cable stand alone rack assembly, comprising:
the bridge frame unit comprises bridge frame beams, bridge frame columns and tower foot plates, wherein the bridge frame columns are installed at two ends of the bridge frame beams, and the tower foot plates are connected to the bottoms of the bridge frame columns;
the groove box unit comprises connecting angle steel, a C-shaped groove box and a cable hoop, wherein the connecting angle steel is connected to the upper end and the lower end of one side face of the bridge frame beam at intervals along the length direction, the upper portion and the lower portion of the C-shaped groove box are respectively connected with the connecting angle steel, the cable hoop is arranged in the C-shaped groove box, and the cable hoop is connected to the side face of the bridge frame beam.
In one example, the bridge girder comprises an upper chord plane, a lower chord plane and bridge web members, the bridge web members comprise oblique web members and vertical web members, the oblique web members and the vertical web members are sequentially connected between the upper chord plane and the lower chord plane along the length direction of the bridge, and one end parts of two adjacent oblique web members are connected.
In one example, the oblique web members and the vertical web members are all made of equal angle steel, and the cable hoops are detachably connected to the vertical web members.
In one example, the footing plate is anchored in the concrete foundation by anchor bolts.
In one example, the cable hoops are installed on the side of the bridge girder at intervals along the height direction.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a nimble small-size space truss system, independent angle steel crane span structure of arranging, unilateral or two side composite mounting C type groove boxes, the scene is installed through the bolt fast and is erect, has higher practicality and economic nature.
2. The utility model discloses fully optimized the space combination of crane span structure and cable tray and arranged, the angle steel truss system that the crane span structure body adopted is slim and graceful nimble, and the atress is simple, and the basis can independently be pour, and direct anchor of doing is stronger to the suitability in complicated space section in going into existing rigid concrete mound.
3. The utility model discloses well groove box unit finished product all adopts the bolted connection mode that can open, and it is convenient to dismantle the installation, can improve operating efficiency greatly, reduces the maintenance cost.
4. The utility model discloses but make full use of available space and reduction are mostly standardized machine-shaping to municipal administration environmental impact scheduling problem, independent crane span structure combination part, and the field installation is convenient fast, has higher security, reliability, economic nature.
Drawings
FIG. 1 is a floor plan of a bridge unit;
FIG. 2 is a floor plan view of the bridge unit;
FIG. 3 is a plan view of a tower footing plate;
FIG. 4 is a schematic view of a cell unit coupled to a bridge beam;
description of the reference numerals:
bridge unit
1 bridge girder, 2 bridge column, 3 tower foot plate,
11 upper chord plane, 12 lower chord plane and 13 bridge web members;
31 stiffened plates and 32 foundation bolts;
131 diagonal web members, 132 vertical web members;
slot box unit
4 angle steel, 5C type groove box, 6 cable staple bolts.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments disclosed below.
Referring to fig. 1 to 4, an independent bridge apparatus for power cables according to the present embodiment includes a bridge unit and a trough unit.
The bridge unit comprises a bridge girder 1, bridge pillars 2 and tower foot plates 3, the bridge girder 1 comprises an upper chord plane 11, a lower chord plane 12 and bridge web members 13, each bridge web member 13 comprises an oblique web member 131 and a vertical web member 132, the oblique web members 131 and the vertical web members 132 are sequentially connected between the upper chord plane 11 and the lower chord plane 12 along the length direction of the bridge, one end parts of two adjacent oblique web members 131 are connected, the upper chord plane 11 and the lower chord plane 12 are respectively composed of equal angle steel, a connecting plate and bolts, the bridge web members 13 (the oblique web members 131 and the vertical web members 132) are combined to form a space truss girder, the height of the bridge girder 1 is the same as that of the C-shaped groove box 5, and the number of loops for laying cables and the vertical arrangement interval are determined to keep the integral attractive and harmonious appearance of the bridge. The bridge columns 2 are installed at two ends of the bridge beam 1, the bridge columns 2 are mainly formed by equal angle steel and connecting plates through bolt connection, the height of the bridge columns 2 and the span of the bridge beam 1 are determined by the field condition of crossing obstacles, and the space truss columns are connected with the space truss columns through bolt node plates. The tower foot plate 3 is used for connecting the bridge column 2 with a foundation, the size of the tower foot plate is determined according to the space between foundation bolts 32 and the structure of the hole edge distance, and the stiffened plate 31 welded on the tower foot plate is connected with the main material of the bridge column 2 through bolts, so that the bridge column 2 is ensured to be reliably connected with the foundation. The specification and the size of the foundation bolts 32 are determined according to calculation of basic acting force of a truss system, 4x4 foundation bolts 32 are conventionally adopted to be connected with a bridge column 2 on one side, a C20 concrete protective cap is poured on the exposed parts of the tower foot plates 3 and the foundation bolts 32 after the single-side installation is qualified, and four tower foot plates 3 of the bridge column 2 are poured under one protective cap.
The groove box unit comprises connecting angle steel 4, a C-shaped groove box 5 and a cable hoop 6, wherein the connecting angle steel 4 is connected to the upper end and the lower end of one side face of the bridge girder 1 at intervals along the length direction, the upper portion and the lower portion of the C-shaped groove box 5 are respectively connected with the connecting angle steel 4 through bolts, the cable hoop 6 is installed in the C-shaped groove box 5 at intervals along the height direction, the cable hoop 6 is connected to the side face of the bridge girder 1, namely the outer side face of the vertical web member 132. In this embodiment, the C-shaped groove boxes 5 are connected to the connecting angle iron 4 through 8.8-level M20 common bolt double caps, each C-shaped groove box 5 has a length of 1.5-3M and a thickness of 5-10mm, and serves as a standard knot, the length and width of the cross section of each C-shaped groove box 5 are determined according to the diameter of a cable, the voltage level and the number of loops, and the standard knot of the C-shaped groove box 5 is provided with a standard hole at the outer edge of a flange meeting the requirement of the bolt edge distance and the end distance and corresponds to the hole of the connecting angle iron 4. The type of the cable hoop 6 is determined according to the line voltage grade and the cable diameter, is manufactured by a cable manufacturer in a customized mode, and is connected with the vertical web members 132 through 2 6.8-grade M16 common bolts.
In this embodiment, angle steel 4, connecting plate, column foot board 3, rag bolt 32, aluminum alloy C type groove box 5 are the customization processing, and the bolt installation is passed through to the scene, and the installation simple operation is effective, the engineering time limit for a project greatly shortens, production efficiency improves, finished product quality can ensure, has better economic benefits. The utility model discloses in, 5 appearances of C type groove box are light and handy succinct, and the decoration is stronger, and the truss inner space can be used to auxiliary facilities systems such as control, and the cable heat dissipation is fast, the operation disturbs for a short time, and adaptation that can be fine is to the higher requirement of environment.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A power cable stand alone tray apparatus, comprising:
the bridge unit comprises bridge girders (1), bridge columns (2) and tower foot plates (3), wherein the bridge columns (2) are arranged at two ends of the bridge girders (1), and the tower foot plates (3) are connected to the bottoms of the bridge columns (2);
the groove box unit comprises connecting angle steel (4), a C-shaped groove box (5) and a cable hoop (6), wherein the connecting angle steel (4) is connected to the upper end and the lower end of one side face of the bridge frame beam (1) at intervals in the length direction, the upper portion and the lower portion of the C-shaped groove box (5) are respectively connected with the connecting angle steel (4), the cable hoop (6) is arranged in the C-shaped groove box (5), and the cable hoop (6) is connected to the side face of the bridge frame beam (1).
2. The independent bridge structure device for power cables as claimed in claim 1, wherein the bridge girder (1) comprises an upper chord plane (11), a lower chord plane (12) and bridge web members (13), the bridge web members (13) comprise diagonal web members (131) and vertical web members (132), the diagonal web members (131) and the vertical web members (132) are sequentially connected between the upper chord plane (11) and the lower chord plane (12) along the length direction of the bridge, and one end of each two adjacent diagonal web members (131) is connected.
3. The power cable independent bridge apparatus of claim 2, wherein the diagonal web members (131) and the vertical web members (132) are made of equal angle steel, and the cable hoops (6) are detachably connected to the vertical web members (132).
4. A power cable stand alone bridge arrangement according to claim 1, wherein the footing plates (3) are anchored in the concrete foundation by means of anchor bolts (32).
5. A power cable independent bridge arrangement according to claim 1, characterized in that the cable hoops (6) are mounted at intervals in the height direction on the sides of the bridge girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111023.9U CN218678313U (en) | 2022-11-23 | 2022-11-23 | Independent bridge device for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111023.9U CN218678313U (en) | 2022-11-23 | 2022-11-23 | Independent bridge device for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218678313U true CN218678313U (en) | 2023-03-21 |
Family
ID=85538810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223111023.9U Active CN218678313U (en) | 2022-11-23 | 2022-11-23 | Independent bridge device for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218678313U (en) |
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2022
- 2022-11-23 CN CN202223111023.9U patent/CN218678313U/en active Active
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