CN215714636U - Single-tower self-anchored suspension bridge catwalk system - Google Patents
Single-tower self-anchored suspension bridge catwalk system Download PDFInfo
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- CN215714636U CN215714636U CN202120097504.5U CN202120097504U CN215714636U CN 215714636 U CN215714636 U CN 215714636U CN 202120097504 U CN202120097504 U CN 202120097504U CN 215714636 U CN215714636 U CN 215714636U
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Abstract
The utility model discloses a single-tower self-anchored suspension bridge catwalk system, which comprises: a plurality of load bearing cables parallel to a main cable of the suspension bridge in a freely suspended state; one end of the bearing cable is fixedly connected with the tower-end anchoring device, and the other end of the bearing cable is fixedly connected with the beam-end anchoring device; the catwalk surface layer comprises a plurality of cross beams and a surface net, and the cross beams are fixedly connected with the bearing cables; the handrails are arranged on two sides of the catwalk surface layer and fixed on the cross beams of the catwalk surface layer; and the roller devices are arranged on the surface net of the catwalk surface layer at intervals. The utility model can adjust the line shape of the catwalk to enable the catwalk to be parallel to a main cable of the suspension bridge in a free suspension state, has certain strength to support the transportation and erection of the main cable, can be erected on two sides of a main tower in sections, and has simple structure and convenient installation and disassembly.
Description
Technical Field
The utility model relates to the technical field of suspension bridge construction. More particularly, the present invention relates to a single tower self-anchored suspension bridge catwalk system.
Background
The suspension bridge is one of main forms of extra-large span bridges, and is a bridge with a cable or a chain cable bearing tension as a main bearing component. The self-anchored suspension bridge is formed by suspending and anchoring a main cable at two ends of the bridge through a cable tower, and suspending a plurality of suspension rods from the main cable to suspend the bridge floor. The single-tower self-anchored suspension bridge is a self-anchored suspension bridge with only one main tower.
The erection of the main cable strand is the key of the construction of the upper structure of the suspension bridge, and comprises a series of procedures of main cable erection, measurement, cable adjustment, cable tightening, sling installation, main cable winding, main cable protection and the like. And the height of the cable tower is dozens or even hundreds of meters, which is nearly the altitude operation. Therefore, a construction platform is needed, which is erected separately on two sides of a main tower of a single-tower self-anchored suspension bridge, is located below a main cable of the suspension bridge and is parallel to the main cable, so that a constructor can conveniently operate, and meanwhile, the construction platform has certain strength to support the transportation and erection of the main cable, and is simple in structure, convenient to install and disassemble.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided a single-tower self-anchored suspension bridge catwalk system, comprising:
a plurality of load bearing cables parallel to a main cable of the suspension bridge in a freely suspended state; one end of the bearing cable is fixedly connected with the tower-end anchoring device, and the other end of the bearing cable is fixedly connected with the beam-end anchoring device;
the catwalk surface layer comprises a plurality of cross beams and a surface net, and the cross beams are fixedly connected with the bearing cables;
the handrails are arranged on two sides of the catwalk surface layer and fixed on the cross beams of the catwalk surface layer;
and the roller devices are arranged on the surface net of the catwalk surface layer at intervals.
Preferably, the catwalk system of the single-tower self-anchored suspension bridge further comprises embedded parts, and the embedded parts comprise a plurality of tower-end embedded parts and a plurality of beam-end embedded parts.
Preferably, the tower end anchoring device comprises a fixed anchor beam, a plurality of tower end connecting rods and a plurality of tower end connecting lug plates; the bearing cable is fixedly connected with the fixed anchor beam through a pin shaft, two ends of the tower end connecting rod are respectively fixedly connected with the fixed anchor beam and the tower end connecting lug plate, and the tower end connecting lug plate is welded with the tower end embedded part.
Preferably, the beam-end anchoring device comprises an adjusting anchor beam, a plurality of beam-end connecting rods, a plurality of adjusting pull rods, a plurality of fork lugs and a plurality of beam-end connecting lug plates; the bearing cable is fixedly connected with the fork lug through a pin shaft; one end of the adjusting pull rod penetrates through the adjusting anchor beam and is fixed with the adjusting anchor beam through a nut, and the other end of the adjusting pull rod is fixedly connected with the fork lug; the two ends of the beam end connecting rod are respectively fixedly connected with the adjusting anchor beam and the beam end connecting lug plate, and the beam end connecting lug plate is welded with the beam end embedded part.
Preferably, a plurality of the cross beams of the catwalk surface layer are uniformly distributed on the bearing cable at intervals; the surface net of the catwalk surface layer is arranged above the cross beam; the surface net comprises a first steel wire mesh layer and a second steel wire mesh layer, the first steel wire mesh layer is a large square-hole steel wire mesh, the second steel wire mesh layer is a small open-hole steel wire mesh, and the second steel wire mesh layer is arranged above the first steel wire mesh layer.
Preferably, the catwalk surface layer further comprises a plurality of stepping battens, and the stepping battens are evenly distributed on the small square-hole steel wire mesh layer at intervals and are fixedly connected with the small square-hole steel wire mesh layer.
Preferably, the handrail comprises a plurality of steel wire ropes, a plurality of upright posts and a steel wire mesh; the plurality of stand columns are uniformly distributed along two sides of the catwalk surface layer, and the stand columns are fixedly connected with the cross beams of the catwalk surface layer; the plurality of steel wire ropes are respectively arranged on two sides of the catwalk surface layer and fixedly connected with the stand columns; the steel wire mesh is a large square hole steel wire mesh, and the steel wire mesh is fixedly connected with the upright posts and the steel wire ropes on the two sides of the catwalk surface layer.
Preferably, the roller device is characterized by comprising a base, a roller shaft and a roller, wherein the base is fixed on the catwalk surface layer, the roller shaft is fixedly connected with the base, and the roller shaft is sleeved with the roller.
The utility model at least comprises the following beneficial effects:
1. according to the utility model, a plurality of bearing cables are used as basic bearing facilities, and two ends of the bearing cables are respectively connected with the tower end anchoring device and the beam end anchoring device, so that the catwalk system is ensured to have better supporting strength. And adjust catwalk elevation through the regulation pull rod among the regulation beam-ends anchor, until whole catwalk is parallel with suspension bridge main push-towing rope under the free suspension state, the constructor of being convenient for carries out the main push-towing rope and erects the operation.
2. The catwalk surface layer, the handrail and the roller device are laid on the bearing cable, so that the structure is simple, and the assembly and disassembly are convenient.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural diagram of a catwalk system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the tower-end anchoring device according to the above embodiment of the present invention;
FIG. 3 is a schematic structural view of the beam-end anchoring device according to the above embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the catwalk system according to the above embodiment of the present invention;
fig. 5 is a schematic structural diagram of the pulley device according to the above embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-5, the present invention provides a single-tower self-anchored suspension bridge catwalk system, comprising: the bearing cables 1 are parallel to a main cable of the suspension bridge in a free suspension state; one end of the bearing cable 1 is fixedly connected with a tower-end anchoring device 5, and the other end of the bearing cable 1 is fixedly connected with a beam-end anchoring device 2; the catwalk surface layer 3 comprises a plurality of cross beams 33 and a surface net 32, and the cross beams 33 are fixedly connected with the bearing ropes 1; the handrails 8 are arranged on two sides of the catwalk surface layer 3, and the handrails 8 are fixed on the cross beams 33 of the catwalk surface layer 3; a plurality of roller devices 4, a plurality of roller devices 4 are arranged on the veil 32 of the catwalk surface layer 3 at intervals.
In the technical scheme, two ends of the bearing cable 1 are respectively fastened and connected with the cable tower and the beam end through the tower end anchoring device 5 and the beam end anchoring device 2, so that catwalk systems are separately erected on two sides of the main tower, and the bearing strength of the bearing cable 1 is ensured. The catwalk surface layer 3 is laid on the bearing cable 1, the cross beam 33 in the catwalk surface layer 3 is fixedly connected with the bearing cable 1 through a U-shaped bolt, and the bearing cable 1 needs to be pre-tensioned before use. The handrails 8 are arranged on two sides of the catwalk surface layer 3, so that the safety of constructors during operation is further guaranteed. The roller device 4 is used for transporting and arranging the main cable.
In another embodiment, the catwalk system of the single-tower self-anchored suspension bridge further comprises embedded parts, wherein the embedded parts comprise a plurality of tower-end embedded parts 6 and a plurality of beam-end embedded parts 7. The tower end embedded part 6 and the beam end embedded part 7 are respectively used for connecting the tower end anchoring device 5 and the beam end anchoring device 2, and the embedding needs to be completed before the erection of the single-tower self-anchored suspension bridge catwalk system.
In another embodiment, the tower end anchoring device 5 comprises a fixed anchor beam 51, a plurality of tower end connecting rods 52 and a plurality of tower end connecting lug plates 53; the bearing cable 1 is fixedly connected with the fixed anchor beam 51 through a pin shaft, two ends of the tower end connecting rod 52 are respectively and fixedly connected with the fixed anchor beam 51 and the tower end connecting lug plate 53, and the tower end connecting lug plate 52 is welded with the tower end embedded part 6.
In another embodiment, the beam-end anchoring device 2 comprises an adjusting anchor beam 25, a plurality of beam-end connecting rods 22, a plurality of adjusting tie rods 23, a plurality of fork lugs 26, and a plurality of beam-end connecting lug plates 21; the bearing rope 1 is fixedly connected with the fork lug 26 through a pin shaft; one end of the adjusting pull rod 23 penetrates through the adjusting anchor beam 25 and is fixed with the adjusting anchor beam 25 through a nut 24, and the other end of the adjusting pull rod 23 is fixedly connected with the fork lug 26; the two ends of the beam end connecting rod 22 are respectively fixedly connected with the adjusting anchor beam 25 and the beam end connecting lug plate 21, and the beam end connecting lug plate 21 is welded with the beam end embedded part 7. The line type of the bearing rope 1 is adjusted by tightening or loosening the nut 24 so that the bearing rope 1 is parallel to the main cable of the suspension bridge in a freely suspended state.
In another embodiment, the plurality of beams 33 of the catwalk facing 3 are evenly distributed on the bearing cable at intervals; the veil 32 of the catwalk face layer 3 is disposed above the cross member 33; veil 32 includes first steel mesh layer 322 and second steel mesh layer 321, first steel mesh layer 322 is big square-mesh steel mesh, second steel mesh layer 321 is little open mesh steel mesh, second steel mesh layer 321 set up in first steel mesh layer 322 top. In the technical scheme, the beam is a channel steel, the first steel wire mesh layer 322 is used for increasing the rigidity of the catwalk surface layer, and the second steel wire mesh layer 321 is used for preventing small workpieces from falling.
In another embodiment, the catwalk surface layer 3 further includes a plurality of stepping battens 31, and the stepping battens 31 are uniformly distributed on the small square-hole steel mesh layer 321 at intervals and are fixedly connected to the small square-hole steel mesh layer 321. The stepping battens 31 are bound on the surface net 32 by iron wires so as to be beneficial to the walking of constructors.
In another embodiment, the handrail 8 comprises a plurality of steel cables 81, a plurality of uprights 82 and a steel wire mesh 83; the upright posts 81 are uniformly distributed along two sides of the catwalk surface layer 3, and the upright posts 81 are fixedly connected with the cross beams 33 of the catwalk surface layer 3; the steel wire ropes 81 are respectively arranged on two sides of the catwalk surface layer 3, and the steel wire ropes 81 are fixedly connected with the upright posts 82; the steel wire mesh 83 is a large square hole steel wire mesh, and the steel wire mesh 83 is fixedly connected with the upright posts 81 and the steel wire ropes 82 on the two sides of the catwalk surface layer 3. In the technical scheme, the steel wire rope 81 is fixed on the upright post 82 through a U-shaped bolt, the steel wire mesh is bound on the steel wire rope 81 and the upright post 82 through iron wires, and the handrail 8 can help constructors to walk on the catwalk surface layer and further improve the safety of the whole catwalk system.
In another embodiment, the roller device 4 includes a base 41, a roller shaft 42 and a roller 43, the base 41 is fixed on the catwalk surface layer 3, the roller shaft 42 is fixedly connected with the base 41, and the roller 43 is sleeved on the roller shaft 42. The rollers 43 are made of nylon, the height of the roller device is about 0.8m, and the height of the roller device within 10m of each side of the main cable tower is increased properly to increase the bending radius of the main cable strand when the main cable strand passes through the top of the main cable tower.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A single-tower self-anchored suspension bridge catwalk system, comprising:
a plurality of load bearing cables parallel to a main cable of the suspension bridge in a freely suspended state; one end of the bearing cable is fixedly connected with the tower-end anchoring device, and the other end of the bearing cable is fixedly connected with the beam-end anchoring device;
the catwalk surface layer comprises a plurality of cross beams and a surface net, and the cross beams are fixedly connected with the bearing cables;
the handrails are arranged on two sides of the catwalk surface layer and fixed on the cross beams of the catwalk surface layer;
and the roller devices are arranged on the surface net of the catwalk surface layer at intervals.
2. The single-tower, self-anchored suspension bridge catwalk system of claim 1, further comprising an embedment, the embedment comprising a plurality of tower-end embedments and a plurality of beam-end embedments.
3. The single-tower self-anchored suspension bridge catwalk system of claim 2, wherein said tower-end anchoring means comprises a fixed anchor beam, a plurality of tower-end connecting rods, and a plurality of tower-end connecting lug plates; the bearing cable is fixedly connected with the fixed anchor beam through a pin shaft, two ends of the tower end connecting rod are respectively fixedly connected with the fixed anchor beam and the tower end connecting lug plate, and the tower end connecting lug plate is welded with the tower end embedded part.
4. The single-tower self-anchored suspension bridge catwalk system of claim 2, wherein said beam-end anchoring means comprises an adjusting anchor beam, a plurality of beam-end connecting rods, a plurality of adjusting tension rods, a plurality of fork ears, and a plurality of beam-end connecting ear plates; the bearing cable is fixedly connected with the fork lug through a pin shaft; one end of the adjusting pull rod penetrates through the adjusting anchor beam and is fixed with the adjusting anchor beam through a nut, and the other end of the adjusting pull rod is fixedly connected with the fork lug; the two ends of the beam end connecting rod are respectively fixedly connected with the adjusting anchor beam and the beam end connecting lug plate, and the beam end connecting lug plate is welded with the beam end embedded part.
5. The single-tower self-anchored suspension bridge catwalk system of claim 1, wherein said plurality of said transverse beams of said catwalk facing are evenly spaced apart on said load-bearing cables; the surface net of the catwalk surface layer is arranged above the cross beam; the surface net comprises a first steel wire mesh layer and a second steel wire mesh layer, the first steel wire mesh layer is a large square-hole steel wire mesh, the second steel wire mesh layer is a small square-hole steel wire mesh, and the second steel wire mesh layer is arranged above the first steel wire mesh layer.
6. The single-tower self-anchored suspension bridge catwalk system of claim 5, wherein the catwalk surface layer further comprises a plurality of stepping battens, and the stepping battens are uniformly distributed on and fixedly connected with the small square-hole steel wire mesh layer at intervals.
7. The single-tower self-anchored suspension bridge catwalk system of claim 1, wherein said balustrade comprises a plurality of steel wire ropes, a plurality of columns, and a steel wire mesh; the plurality of stand columns are uniformly distributed along two sides of the catwalk surface layer, and the stand columns are fixedly connected with the cross beams of the catwalk surface layer; the plurality of steel wire ropes are respectively arranged on two sides of the catwalk surface layer and fixedly connected with the stand columns; the steel wire mesh is a large square hole steel wire mesh, and the steel wire mesh is fixedly connected with the upright posts and the steel wire ropes on the two sides of the catwalk surface layer.
8. The single-pylon self-anchored suspension bridge catwalk system of claim 1, wherein the roller means comprises a base, a roller shaft and a roller, the base being affixed to the catwalk facing, the roller shaft being fixedly attached to the base, the roller being fitted over the roller shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120097504.5U CN215714636U (en) | 2021-01-14 | 2021-01-14 | Single-tower self-anchored suspension bridge catwalk system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120097504.5U CN215714636U (en) | 2021-01-14 | 2021-01-14 | Single-tower self-anchored suspension bridge catwalk system |
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| CN215714636U true CN215714636U (en) | 2022-02-01 |
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| CN202120097504.5U Active CN215714636U (en) | 2021-01-14 | 2021-01-14 | Single-tower self-anchored suspension bridge catwalk system |
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| CN (1) | CN215714636U (en) |
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- 2021-01-14 CN CN202120097504.5U patent/CN215714636U/en active Active
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