CN220266318U - Anchoring and adjusting device for catwalk bearing rope - Google Patents
Anchoring and adjusting device for catwalk bearing rope Download PDFInfo
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- CN220266318U CN220266318U CN202321860750.7U CN202321860750U CN220266318U CN 220266318 U CN220266318 U CN 220266318U CN 202321860750 U CN202321860750 U CN 202321860750U CN 220266318 U CN220266318 U CN 220266318U
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- 238000004873 anchoring Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model provides an anchoring and adjusting device for catwalk bearing cables, which comprises a plurality of catwalk bearing cables, a first anchorage, a rope rotating saddle and a second anchorage, wherein the rope rotating saddle and the second anchorage are arranged at the top of a main tower, two ends of each catwalk bearing cable are respectively anchored on the first anchorage and the second anchorage, the whole catwalk saddle support pier is a trapezoid table, the width of the top surface of each catwalk saddle support pier is 2-3 times of the width of a second embedded part, and each catwalk saddle support pier is inclined towards one side of the main tower and is provided with a catwalk anchoring operation platform; the loose cable saddle support pier has a smaller top surface, the volume of the loose cable saddle support pier can be reduced on the premise of ensuring the anchoring reliability of the catwalk bearing cable, the use amount of concrete is reduced, and the loose cable saddle support pier and the concrete anchorage construction period are shortened.
Description
Technical Field
The utility model belongs to the technical field of catwalk of suspension bridges, and particularly relates to an anchoring and adjusting device for a catwalk bearing rope.
Background
Catwalks are temporary structures commonly used in bridge construction for hanging baskets, material handling and the like. The suspension bridge is suitable for a large-span bridge structure, and after the cable tower and the anchorage are built, the catwalk is firstly clamped and erected, so that if the catwalk can be erected earlier, the main cable can be erected faster. The catwalk is erected firstly, the catwalk bearing cables are fixed, the catwalk bearing cables are generally fixed through catwalk bearing cable embedded parts, anchoring beams, rope clamps and the like which are embedded in concrete anchors at two ends of a suspension bridge, and meanwhile, an operation platform is reserved for anchoring and adjusting the catwalk bearing cables on the concrete anchors. Chinese patent CN106758767a discloses a suspension bridge sectional catwalk and a construction method thereof, in order to increase the working space of the catwalk bearing cable, an operation platform of the catwalk bearing cable is directly arranged on the surface of the concrete gravity anchorage, but this can cause the equal volume increase of the concrete gravity anchorage, the construction period is long, and the delay of catwalk erection can cause the construction period extension of the suspension bridge.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an anchoring and adjusting device for a catwalk bearing rope.
In order to achieve the above object, the present utility model provides the following technical solutions:
the anchoring and adjusting device for the catwalk bearing ropes comprises a plurality of catwalk bearing ropes, a first anchorage, a rope turning saddle and a second anchorage, wherein the rope turning saddle and the second anchorage are arranged at the top of a main tower, a first embedded part is embedded in the first anchorage, a scattered rope saddle supporting pier is arranged on the top of the second anchorage in a protruding mode, and a second embedded part is embedded in the top of the scattered rope saddle supporting pier; two ends of the catwalk bearing cable are respectively fixed on the first embedded part and the second embedded part;
the whole trapezoidal platform that is of cable saddle support mound, cable saddle support mound's top surface width is 2-3 times of second built-in fitting width, cable saddle support mound orientation one side slope of main tower and be provided with catwalk anchor operation platform on it.
Further, the catwalk anchoring operation platform comprises an operation surface which is horizontally arranged and a support frame which is fixed on the lower side of the operation surface, one end of the operation surface is fixed on the upper portion of the first embedded part, and the lower end of the support frame is fixed on the cable saddle support pier.
Further, the anchoring and adjusting device of the catwalk bearing cable further comprises an inclined strut, the upper end of the inclined strut is fixed on the second embedded part, and the lower part of the inclined strut is embedded in one side, far away from the main tower, of the scattered cable saddle support pier.
Further, the included angle between the inclined strut and the second embedded part is 20+/-5 degrees.
Further, the second embedded part is embedded in the cable saddle support pier at least 40% in length, and the inclined support is embedded in the cable saddle support pier at least 50% in length.
Further, an annular overhaul channel along the rotary main cable is arranged in the first anchorage, and the first anchorage is horizontally anchored at one side, far away from the main tower, of the annular overhaul channel.
Further, the first embedded part is embedded in the first anchorage at least with the length of 60%.
Further, anchor beams are respectively arranged at the tops of the first embedded part and the second embedded part, the first end of the catwalk bearing rope is wound on the anchor beam of the first embedded part and fixed through a plurality of rope clamps, and the second end of the catwalk bearing rope is wound on the anchor beam of the second embedded part and fixed through a plurality of rope clamps after passing through the rope rotating saddle.
Further, one side of the scattered cable saddle support pier, which is far away from the main tower, is provided with a post-pouring support block, and the post-pouring support block is flush with the top surface of the scattered cable saddle support pier.
Furthermore, a deflection steel frame is arranged near the top of the main tower, and the catwalk bearing cable passes through a cable rotating saddle after the distance between the catwalk bearing cable and the deflection steel frame is changed.
The beneficial effects of the utility model are as follows:
the utility model adopts the specially designed scattered cable saddle support pier, the scattered cable saddle support pier has a smaller top surface, the volume of the scattered cable saddle support pier can be reduced on the premise of ensuring the anchoring reliability of the catwalk bearing cable, the use amount of concrete is reduced, and the scattered cable saddle support pier and the concrete anchorage construction period are shortened.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of a first anchorage according to an embodiment of the present utility model.
Fig. 3 is a schematic top view of a cable saddle support pier of a second anchorage in accordance with an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a first embedded part according to an embodiment of the present utility model.
Fig. 5 is a schematic structural view of a second anchorage in accordance with an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a second embedded part according to an embodiment of the present utility model.
Fig. 7 is a schematic structural diagram of a deflection steel frame according to an embodiment of the present utility model.
In the figure, a 1-main tower, a 2-catwalk bearing cable, a 3-first anchorage, a 4-second anchorage, a 5-annular overhaul channel, a 6-first embedded part, a 7-anchor beam, an 8-rope clamp, a 9-second embedded part, a 10-diagonal bracing, an 11-catwalk anchoring operation platform, a 111-operation surface, a 112-support frame, a 12-scattered cable saddle support pier, a 13-post-pouring support block, a 14-rotating cable saddle and a 15-deflection steel frame.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1 to 7, an anchoring and adjusting device for a catwalk bearing cable comprises a plurality of catwalk bearing cables 2, a first anchorage 3, a second anchorage 4 and a cable turning saddle 14 arranged at the top of a main tower 1, wherein the catwalk bearing cables 2 are main stressed members of the catwalk structure, are made of twisted steel wire ropes, are in a two-span continuous arrangement form, and are anchored on the first anchorage 3 at the first end and on the second anchorage 4 at the second end;
specifically, a first embedded part 6 is embedded in the first anchorage 3, a scattered cable saddle support pier 12 is arranged on the top of the second anchorage 4 in a protruding mode, and a second embedded part 9 is embedded in the top of the scattered cable saddle support pier 12; the tops of the first embedded part 6 and the second embedded part 9 are respectively provided with an anchor beam 7, the first end of the catwalk bearing rope 2 is wound on the anchor beam 7 of the first embedded part 6 and is fixed through a plurality of rope clamps 8, and the second end of the catwalk bearing rope 2 is wound on the anchor beam 7 of the second embedded part 9 and is fixed through a plurality of rope clamps 8 after passing through a rope rotating saddle 14; in the embodiment, the number of the single catwalk bearing ropes 2 is 8, a 48mm steel wire rope is adopted, the nominal tensile strength of the steel wire rope is 1960Mpa, the breaking force is 1610kN, the design distance between the catwalk bearing ropes and the center of the main cable is 1.7m, the design distance between the catwalk bearing ropes and the center of the main cable is 1.5m, and the catwalk bearing ropes are fixed by adopting a phi 48 rope clip 8; at least 6 rope clamps 8 are fixed at one end of one catwalk bearing rope 2, and 500-600 mm safety bends are arranged at the end of the catwalk bearing rope 2 and safety rope clamps are fixed; the catwalk line type is changed due to load change in the catwalk erection and bridging processes, the adjustment is needed at an indefinite time, the rope clamps 8 are untied at the moment, the lengths of the catwalk bearing ropes 2 are adjusted through the jack, the finish rolling deformed steel bars, the anchor beams 7 and the anchor box system, and then the rope clamps 8 are fixed again, so that the adjustment of the catwalk line type is realized;
the whole scattered cable saddle support pier 12 is a trapezoid table, the width of the top surface of the scattered cable saddle support pier 12 is 2-3 times of the width of the second embedded part 9, the inclination angle of the side surface of the scattered cable saddle support pier 12 facing the main tower 1 is about 61 degrees, the inclination angle of the side surface of the scattered cable saddle support pier 12 facing away from the main tower 1 is about 38 degrees, the scattered cable saddle of the main cable is anchored on the side of the scattered cable saddle support pier 12 facing away from the main tower 1, and the other two side surfaces of the scattered cable saddle support pier 12 are near vertical inclined surfaces; meanwhile, in order to meet the requirement that the anchoring and adjustment of the catwalk bearing cable 2 is the operation space of workers, the loose cable saddle support pier 12 is inclined towards one side of the main tower 1 and is provided with a catwalk anchoring operation platform 11;
the utility model adopts the cable saddle support pier 12 with smaller top area, so that the amount of concrete needed to be used is reduced on the whole, thereby being beneficial to shortening the pouring period of the cable saddle support pier 12.
As shown in fig. 5 to 6, the catwalk anchoring operation platform 11 comprises an operation surface 111 horizontally arranged and a support frame 112 fixed on the lower side of the operation surface 111, an angle steel support seat is arranged on the upper portion of the first embedded part 6, one end of the operation surface 111 is fixed on the angle steel support seat, and the lower end of the support frame 112 is fixed on the cable saddle support pier 12 through an anchor rod; when the catwalk is removed, the catwalk anchoring operation platform 11 can be removed together.
As shown in fig. 5 to 6, the anchoring and adjusting device of the catwalk bearing cable further comprises an inclined strut 10, wherein the upper end of the inclined strut 10 is welded and fixed on the second embedded part 9, and the lower part of the inclined strut 10 is embedded at one side of the scattered cable saddle support pier 12 far away from the main tower 1; the included angle between the diagonal brace 10 and the second embedded part 9 is 20+/-5 degrees; the second embedded part 9 is embedded in the cable saddle support pier 12 at least 40% in length, and the diagonal bracing 10 is embedded in the cable saddle support pier 12 at least 50% in length; the first embedded part 6 needs to provide support for the operation surface 111, so that the upper part of the first embedded part is exposed out of the scattered cable saddle support pier 12 relatively longer, and therefore, the diagonal braces 10 are additionally arranged to ensure reliable anchoring for the catwalk bearing ropes; in this embodiment, the second embedded parts 9 and the diagonal braces 10 are H-shaped steel, the number of the second embedded parts 9 for a single catwalk is not less than 4, and the number of the diagonal braces 10 is at least 2.
The embodiment is applied to a suspension bridge with a main cable as a rotary cable, the direction of a first anchorage 3 is taken as one side of the main cable, the direction of a second anchorage 4 is taken as one side of the main cable, which is anchored at two ends, and accordingly, as shown in fig. 1, 2 and 4, an annular overhaul channel 5 along the rotary main cable is arranged in the first anchorage 3, and the first anchorage 3 is horizontally anchored at one side of the annular overhaul channel 5 far away from the main tower 1; the first embedded part 6 is embedded in the first anchorage 3 at least with 60% of the length; in this embodiment, the first embedded parts 6 and the diagonal braces 10 are H-shaped steel, and the number of the first embedded parts 6 for a single catwalk is not less than 4.
As shown in fig. 7, in order to make the catwalk line shape parallel to the main cable line shape and solve the conflict with the main cable saddle, a cable turning saddle 14 is arranged at the top of the tower, and a deflection steel frame 15 is arranged near the top of the tower to meet the requirement that the bearing cable passes through the top of the tower, and the catwalk bearing cable 2 passes through the cable turning saddle 14 after the distance between the catwalk bearing cable and the main cable line shape is changed by the deflection steel frame 15; the deflection steel frame 15 adopts H-shaped steel as a stress member, so that the construction period is saved, the influence of installation and dismantling on the construction period is reduced, and the deflection steel frame 15 adopts an integrated design; the opposite sides of the deflection steel frame 15 are respectively provided with a large-spacing positioning hole and a steel plate clamp, and the catwalk bearing cable 2 with normal working spacing is fixed by the steel plate clamp after passing through the positioning holes, so that the whole width of the catwalk bearing cable 2 is reduced, and the catwalk bearing cable 2 is supported by the main cable saddle body through the cable rotating saddle 14; the saddle head of the main tower 1 tower top cable rotating saddle 14 is made of cast steel, the bottom is made of steel plate welded box-shaped structure, and a pressing plate is arranged on a cast rope groove to overcome the horizontal force difference in erection and use, and the deflection steel frame 15 is a conventional technology, which is not an utility model point of the present utility model and is not repeated.
Further, as shown in fig. 5 to 6, a post-pouring support block 13 is arranged on one side of the cable saddle support pier 12 away from the main tower 1, and the post-pouring support block 13 is flush with the top surface of the cable saddle support pier 12; since the catwalk system anchors the catwalk load-bearing ropes 2 and the handrail ropes and the guardrail ropes, the conventional method is to fix the handrail ropes and the guardrail ropes through an anchoring portal fixed on the anchorage; however, since the top area of the cable saddle support pier 12 of the present utility model is small, it is insufficient to form a sufficient support area for the anchoring mast, so that the entire top area is increased by the post-pouring support blocks 13 to form a sufficient support area for the anchoring mast; the post-cast supporting block 13 is adopted, so that the construction period of the second anchorage 4 is not increased.
It is to be understood that the above description is exemplary only and that the embodiments of the present application are not limited thereto. The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides an anchor and adjusting device of catwalk bearing cable, includes first anchorage (3), second anchorage (4), many catwalk bearing cable (2) and sets up in changeing cable saddle (14) at main tower (1) top, its characterized in that: a first embedded part (6) is embedded in the first anchorage (3), a scattered cable saddle support pier (12) is arranged on the top of the second anchorage (4) in a protruding mode, and a second embedded part (9) is embedded in the top of the scattered cable saddle support pier (12); two ends of the catwalk bearing cable (2) are respectively fixed on the first embedded part (6) and the second embedded part (9);
the cable saddle support pier (12) wholly is a trapezoid table, the width of the top surface of the cable saddle support pier (12) is 2-3 times that of the second embedded part (9), and the cable saddle support pier (12) inclines towards one side of the main tower (1) and is provided with a catwalk anchoring operation platform (11) thereon.
2. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: the catwalk anchoring operation platform (11) comprises an operation surface (111) which is horizontally arranged and a support frame (112) which is fixed on the lower side of the operation surface (111), one end of the operation surface (111) is fixed on the upper portion of the first embedded part (6), and the lower end of the support frame (112) is fixed on the cable saddle support pier (12).
3. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: the cable laying device is characterized by further comprising an inclined strut (10), wherein the upper end of the inclined strut (10) is fixed on the upper portion of the second embedded part (9), and the lower portion of the inclined strut (10) is embedded on one side, far away from the main tower (1), of the cable laying saddle support pier (12).
4. The anchoring and adjusting device for a catwalk load-bearing cable according to claim 3, wherein: the included angle between the inclined strut (10) and the second embedded part (9) is 20+/-5 degrees.
5. The anchoring and adjusting device for a catwalk load-bearing cable according to claim 3, wherein: the second embedded part (9) is embedded in the cable saddle support pier (12) at least 40% in length, and the diagonal bracing (10) is embedded in the cable saddle support pier (12) at least 50% in length.
6. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: an annular overhaul channel (5) along the rotary main cable is arranged in the first anchorage (3), and the first anchorage (3) is horizontally anchored at one side, far away from the main tower (1), of the annular overhaul channel (5).
7. The anchoring and adjusting device for a catwalk load-bearing cable according to claim 6, wherein: the first embedded part (6) is embedded in the first anchorage (3) at least in 60% of the length.
8. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: the catwalk is characterized in that anchor beams (7) are respectively arranged at the tops of the first embedded part (6) and the second embedded part (9), the first end of the catwalk bearing rope (2) is wound on the anchor beams (7) of the first embedded part (6) and fixed through a plurality of rope clamps (8), and the second end of the catwalk bearing rope (2) is wound on the anchor beams (7) of the second embedded part (9) and fixed through a plurality of rope clamps (8) after being wound by a rope rotating saddle (14).
9. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: one side of the cable saddle support pier (12) far away from the main tower (1) is provided with a post-pouring support block (13), and the post-pouring support block (13) is flush with the top surface of the cable saddle support pier (12).
10. The anchoring and adjusting device for catwalk load-bearing cables according to claim 1, wherein: the catwalk bearing cable (2) passes through a cable turning saddle (14) after the distance between the catwalk bearing cable and the catwalk bearing cable is changed by the displacement steel frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860750.7U CN220266318U (en) | 2023-07-14 | 2023-07-14 | Anchoring and adjusting device for catwalk bearing rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860750.7U CN220266318U (en) | 2023-07-14 | 2023-07-14 | Anchoring and adjusting device for catwalk bearing rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220266318U true CN220266318U (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321860750.7U Active CN220266318U (en) | 2023-07-14 | 2023-07-14 | Anchoring and adjusting device for catwalk bearing rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220266318U (en) |
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2023
- 2023-07-14 CN CN202321860750.7U patent/CN220266318U/en active Active
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