CN214783276U - Cable beam connecting and anchoring device for short tower cable-stayed bridge - Google Patents
Cable beam connecting and anchoring device for short tower cable-stayed bridge Download PDFInfo
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- CN214783276U CN214783276U CN202121448605.9U CN202121448605U CN214783276U CN 214783276 U CN214783276 U CN 214783276U CN 202121448605 U CN202121448605 U CN 202121448605U CN 214783276 U CN214783276 U CN 214783276U
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Abstract
The utility model relates to an anchor, specifically a short tower cable-stay bridge cable beam connects anchor. The device comprises a main beam, a cross beam and stay cables, wherein the cross beam is arranged on the main beam, the bottom end of the cross beam is fixedly connected with anchorage flanges through reinforcing bolts along the corresponding position of the stay cables in the bridge length direction, an anchorage box is arranged between the anchorage flanges, and an anchorage plate is arranged at the bottom end of the anchorage box; one end of the anchor box close to the cross beam is provided with a groove, the inner wall of the groove is fixedly connected with a plurality of movable rods, and the other end of each movable rod is hinged to a fixed ring; a spring is wound on each movable rod, one end of each spring is fixed with the corresponding groove, and the other end of each spring is connected with the corresponding fixing ring; the stay cable penetrates through the cross beam, the fixing ring and the anchorage plate in sequence and then is anchored and fixed with the anchorage plate. The utility model discloses application scope is wide, buffering vibrations, increased cable-stay bridge's life.
Description
Technical Field
The utility model relates to an anchor, specifically a short tower cable-stay bridge cable beam connects anchor.
Background
Among the prior art, the short-tower cable-stay bridge suspension cable adopts traditional steel bar anchor's mode to connect on the concrete beam, belongs to rigid connection, and in later stage bridge operation process, the suspension cable can receive the vibrations of wind or bridge floor, produces vibrations, can only rely on the prestressing force of suspension cable itself to reduce elastic deformation, and the suspension cable anchor position easily produces and destroys, leads to the life reduction of cable-stay bridge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem to provide a short tower cable-stayed bridge cable roof beam connection anchor that buffering vibrations, increase life, application scope are wide.
The utility model provides a problem, the technical scheme who adopts is:
a cable beam connecting and anchoring device for a short-tower cable-stayed bridge comprises a main beam, a cross beam and a stay cable, wherein the cross beam is arranged on the main beam, the bottom end of the cross beam is fixedly connected with anchorage flanges through reinforcing bolts along the position of the stay cable corresponding to the length direction of the bridge, an anchor box is arranged between the anchorage flanges, and an anchorage plate is arranged at the bottom end of the anchor box; one end of the anchor box close to the cross beam is provided with a groove, the inner wall of the groove is fixedly connected with a plurality of movable rods, and the other end of each movable rod is hinged to a fixed ring; a spring is wound on each movable rod, one end of each spring is fixed with the corresponding groove, and the other end of each spring is connected with the corresponding fixing ring; the stay cable penetrates through the cross beam, the fixing ring and the anchorage plate in sequence and then is anchored and fixed with the anchorage plate.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
the utility model uses the structure that the position of the stay cable corresponding to the bottom end of the cross beam along the length direction of the bridge is fixedly connected with the anchor flanges through the reinforcing bolts, an anchor box is arranged between the anchor flanges, and the bottom end of the anchor box is provided with an anchor plate, the structure can reduce the sliding and anchoring stay cables of the stay cable when the stay cable is tensioned, one end of the anchor box close to the cross beam is provided with a groove, the inner wall of the groove is fixedly connected with a plurality of movable rods, and the other end of each movable rod is respectively hinged on a fixed ring; a spring is wound on each movable rod, one end of each spring is fixed with the corresponding groove, and the other end of each spring is connected with the corresponding fixing ring; stay cable runs through behind crossbeam, solid fixed ring, the anchorage board in proper order and the anchorage board anchor is fixed, and this kind of structure makes the utility model discloses can cushion vibrations, increase life, this device application scope is wide, cushion vibrations, increased cable-stay bridge's life.
Preferably, the present invention further provides:
an outer web plate is arranged on one side of the main beam, an anchorage flange close to the outer web plate is connected with the outer web plate, and the bottom end of the cross beam is connected with the anchorage flange through a plurality of reinforcing bolts; so that the device structure is stable.
A sleeve seat is arranged at the head part of the stay cable penetrating through the anchorage plate, and a gasket is arranged between the sleeve seat and the anchorage plate; so that the stay cable of the device is protected and the service life is prolonged.
A plurality of reinforcing ribs are arranged around the anchor box, and the bottom ends of the reinforcing ribs are fixedly connected with the anchor plate; so that the device structure is stable.
The bottom end of the anchorage plate is provided with a reinforcing rod, one end of the reinforcing rod is connected with the anchorage plate, and the other end of the reinforcing rod is connected with the outer web plate; making the device robust.
The part of the stay cable at the top end of the main beam is provided with a sleeve, and an anticorrosive layer and a buffer layer are arranged between the sleeve and the stay cable; so that the stay cable of the device is protected and the service life is prolonged.
The plurality of fixing rings are arranged together through elastic bands; the device can be suitable for stay cables with different sizes and has wide application range.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 2;
labeled as: a main beam 1; an outer web 2; a cross beam 3; an anchor box 4; an anchor flange 5; a reinforcing bolt 6; an anchor plate 7; a reinforcing rib 8; a reinforcing rod 9; a gasket 10; a sleeve seat 11; a stay cable 12; a groove 13; a fixed ring 14; an elastic band 15; a movable lever 16; a spring 17; a sleeve 18; an anticorrosive layer 19; a buffer layer 20.
Detailed Description
The invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
Referring to fig. 1 to 4, the cable-beam connection anchoring device for the short-tower cable-stayed bridge comprises a main beam 1, a cross beam 3 and a stay cable 12, wherein the cross beam 3 is arranged on the main beam 1, the bottom end of the cross beam 3 is fixedly connected with a plurality of anchor flanges 5 through reinforcing bolts 6 at positions of the stay cable 12 corresponding to the bridge length direction, an anchor box 4 is arranged between the anchor flanges 5, and an anchor plate 7 is arranged at the bottom end of the anchor box 4; one end of the anchor box 4 close to the cross beam 3 is provided with a groove 13, the inner wall of the groove 13 is fixedly connected with a plurality of movable rods 16, and the other end of each movable rod 16 is respectively hinged on a fixed ring 14; a spring 17 is wound on each movable rod 16, one end of the spring 17 is fixed with the groove 13, and the other end of the spring 17 is connected with the fixed ring 14; the stay cable 12 sequentially penetrates through the cross beam 3, the fixing ring 14 and the anchorage plate 7 and is anchored and fixed with the anchorage plate 7.
An outer web 2 is arranged on one side of the main beam 1, an anchorage flange 5 close to the outer web 2 is fixedly connected with the outer web 2, and the bottom end of the cross beam 3 is fixedly connected with the anchorage flange 5 through a plurality of reinforcing bolts 6; so that the device structure is stable.
A sleeve seat 11 is arranged at the end part of a stay cable 12 penetrating through the anchorage plate 7, and a gasket 10 is arranged between the sleeve seat 11 and the anchorage plate 7; so that the stay cable 12 of the device is protected and the service life is prolonged.
A plurality of reinforcing ribs 8 are fixedly connected around the anchor box 4, and the bottom ends of the reinforcing ribs 8 are fixedly connected with the anchor plate 7; so that the device structure is stable.
The bottom end of the anchorage plate 7 is fixedly connected with a reinforcing rod 9, one end of the reinforcing rod 9 is connected with the anchorage plate 7, the other end of the reinforcing rod 9 is connected with the outer web plate 2, and a triangular structure is formed among the anchorage plate 7, the reinforcing rod 9 and the outer web plate 2; making the device robust.
A sleeve 18 is wound on the part of the stay cable 12 positioned at the top end of the main beam 1, and an anticorrosive layer 19 and a buffer layer 20 are fixedly connected between the sleeve 18 and the stay cable 12; so that the stay cable 12 of the device is protected and the service life is prolonged.
The four fixing rings 14 are fixedly connected together through elastic bands 15; the device can be suitable for stay cables 12 of different sizes and has wide application range.
When the suspension cable fixing device is used, a plurality of groups of anchor flanges 5 are fixedly connected to the bottom end of the cross beam 3 along the bridge length direction, when the suspension cable 12 coated with waterproof paint is blown by wind or vibrated, the springs 17 and the movable rods 16 can buffer the vibration of the suspension cable, and the anchor plates 7 can reduce the sliding and anchoring of the suspension cable 12 when the suspension cable 12 is tensioned.
The utility model discloses application scope is wide, buffering vibrations, increased cable-stay bridge's life.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (7)
1. The utility model provides an anchor is connected to short tower cable-stay bridge cable roof beam, includes girder, crossbeam, suspension cable, and the crossbeam setting is on the girder its characterized in that: the bottom end of the cross beam is fixedly connected with anchorage flanges through reinforcing bolts along the corresponding positions of the stay cables in the bridge length direction, an anchorage box is arranged between the anchorage flanges, and an anchorage plate is arranged at the bottom end of the anchorage box; one end of the anchor box close to the cross beam is provided with a groove, the inner wall of the groove is fixedly connected with a plurality of movable rods, and the other end of each movable rod is hinged to a fixed ring; a spring is wound on each movable rod, one end of each spring is fixed with the corresponding groove, and the other end of each spring is connected with the corresponding fixing ring; the stay cable penetrates through the cross beam, the fixing ring and the anchorage plate in sequence and then is anchored and fixed with the anchorage plate.
2. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 1, characterized in that: an outer web plate is arranged on one side of the main beam, an anchor flange close to the outer web plate is connected with the outer web plate, and the bottom end of the cross beam is connected with the anchor flange through a plurality of reinforcing bolts.
3. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 1, characterized in that: the head part of the stay cable penetrating through the anchorage plate is provided with a sleeve seat, and a gasket is arranged between the sleeve seat and the anchorage plate.
4. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 1, characterized in that: a plurality of reinforcing ribs are arranged around the anchor box, and the bottom ends of the reinforcing ribs are fixedly connected with the anchor plate.
5. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 1, characterized in that: the bottom end of the anchorage plate is provided with a reinforcing rod, one end of the reinforcing rod is connected with the anchorage plate, and the other end of the reinforcing rod is connected with the outer web plate.
6. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 1, characterized in that: the part of the stay cable on the top end of the main beam is provided with a sleeve, and an anticorrosive layer and a buffer layer are arranged between the sleeve and the stay cable.
7. The short tower cable-stayed bridge cable beam connection anchoring device according to claim 4, characterized in that: the fixing rings are arranged together through elastic bands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448605.9U CN214783276U (en) | 2021-06-29 | 2021-06-29 | Cable beam connecting and anchoring device for short tower cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448605.9U CN214783276U (en) | 2021-06-29 | 2021-06-29 | Cable beam connecting and anchoring device for short tower cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214783276U true CN214783276U (en) | 2021-11-19 |
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ID=78714899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121448605.9U Active CN214783276U (en) | 2021-06-29 | 2021-06-29 | Cable beam connecting and anchoring device for short tower cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214783276U (en) |
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2021
- 2021-06-29 CN CN202121448605.9U patent/CN214783276U/en active Active
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