CN220789395U - High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam - Google Patents
High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam Download PDFInfo
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- CN220789395U CN220789395U CN202321969963.3U CN202321969963U CN220789395U CN 220789395 U CN220789395 U CN 220789395U CN 202321969963 U CN202321969963 U CN 202321969963U CN 220789395 U CN220789395 U CN 220789395U
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- adjusting piece
- tower
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The application provides a high-altitude steel supporting structure of a cable tower cross beam of a cable-stayed bridge, which is arranged in a bridge hole penetrated by a cable tower limb along the width direction and comprises a first transverse supporting rod, a second transverse supporting rod and a vertical supporting rod. The first transverse stay bars are arranged in the bridge hole along the width direction of the tower limbs of the cable tower. The second transverse supporting rods are arranged in the bridge hole along the thickness direction of the cable tower limb, one second transverse supporting rod is simultaneously connected with a plurality of first transverse supporting rods positioned on the same horizontal plane, and two ends of the second transverse supporting rods support against the inner wall of the bridge hole along the thickness direction of the cable tower limb. The vertical stay bar is arranged in the bridge opening along the height direction. The second transverse stay bar comprises a transverse rod body, a first spiral adjusting piece and a second spiral adjusting piece, so that the first spiral adjusting piece and the second spiral adjusting piece can adjust the size of the second transverse stay bar along the thickness direction of the tower limb of the cable tower. The high-altitude steel supporting structure of the cable-stayed bridge tower cross beam can be adapted to the size of a bridge cavity, so that the stability of supporting is improved.
Description
Technical Field
The application relates to the field of cable tower structures, in particular to a high-altitude steel supporting structure of a cable tower beam of a cable-stayed bridge.
Background
The cable-stayed bridge cable tower limb is generally provided with a bridge hole for weight reduction, and the bridge hole is supported by a steel support structure to improve the strength of the cable-stayed bridge cable tower limb and avoid collapse caused by stress concentration of the cable-stayed bridge cable tower limb.
Especially when the main girder pouring is quickened, the tower limb of the cable-stayed bridge cable tower has oblique bearing force to cause shearing force besides the vertical bearing force. At present, a gap is often formed between the steel support structure and the inside of a bridge opening, a deformation starting point is easily formed at the gap, and when a main beam is poured, serious construction accidents can be caused if the position is not treated in time.
Disclosure of utility model
In view of the above, it is necessary to provide a high-altitude steel support structure for a cable tower girder of a cable-stayed bridge to solve the problem of unstable support of the steel support structure.
The embodiment of the application provides a high-altitude steel supporting structure of a cable tower cross beam of a cable-stayed bridge, which is arranged in a bridge hole through which a tower limb of the cable tower penetrates along the width direction. The high-altitude steel support structure of the cable-stayed bridge cable tower cross beam comprises a first transverse stay bar, a second transverse stay bar and a vertical stay bar.
The first transverse stay bars are arranged in the bridge hole along the width direction of the cable tower limbs.
The second transverse supporting rods are arranged in the bridge hole along the thickness direction of the cable tower limb, one second transverse supporting rod is simultaneously connected with a plurality of first transverse supporting rods positioned on the same horizontal plane, and two ends of the second transverse supporting rods are propped against the inner wall of the bridge hole along the thickness direction of the cable tower limb.
The vertical stay bars are arranged in the bridge hole along the height direction, and one vertical stay bar is simultaneously connected with a plurality of first transverse stay bars.
The second transverse stay bar comprises a transverse rod body, a first spiral adjusting piece and a second spiral adjusting piece.
The two ends of the transverse rod body are respectively in threaded fit with the first spiral adjusting piece and the second spiral adjusting piece, so that the first spiral adjusting piece and the second spiral adjusting piece can adjust the size of the second transverse stay rod along the thickness direction of the tower limb of the cable tower.
The cable-stayed bridge cable tower transverse high-altitude steel support structure forms a three-dimensional steel support structure through the first transverse stay bar, the second transverse stay bar and the vertical stay bar. On the one hand, first horizontal vaulting pole, second horizontal vaulting pole and vertical vaulting pole can hoist and mount respectively to the bridge opening position and assemble again, can reduce the hoist and mount degree of difficulty. On the other hand, the second transverse strut may be adapted in size to the size of the bridge opening, thereby improving the stability of the support.
In some embodiments of the present application, the cable-stayed bridge tower beam high-altitude steel support structure further includes two conformal support plates, the two conformal support plates are respectively disposed at two sides of the bridge opening along the thickness direction of the cable tower limb, and the second transverse strut is propped against the inner wall of the bridge opening through the conformal support plates.
The high-altitude steel supporting structure of the cable tower cross beam of the cable-stayed bridge adapts to the side shape of a relatively stable bridge hole through the conformal supporting plate, and distributes the stress in each area of the bridge hole through the same conformal supporting plate, so that the local stress of the tower limbs of the cable tower is reduced.
In some embodiments of the application, the conformal support plate is provided with I-steel extending along the width direction of the cable tower limb. The first spiral adjusting piece is supported on the I-steel on one conformal supporting plate. The second spiral adjusting piece is supported on the I-steel on the other conformal supporting plate.
The I-steel in the high-altitude steel supporting structure of the cable-stayed bridge cable tower cross beam can disperse the stress of the single second transverse stay rod along the width direction of the cable tower limb, reduce the local stress of the conformal supporting plate, and avoid the deformation of the conformal supporting plate after the local stress is overlarge so as not to be clung to the inner wall of the bridge hole.
In some embodiments of the application, the first screw adjusting member is provided with a first groove for receiving the i-steel on one of the conformal support plates.
The second spiral adjusting piece is provided with a second groove, and the second groove is used for accommodating the I-steel on the other conformal supporting plate.
The first spiral adjusting piece and the second spiral adjusting piece in the high-altitude steel supporting structure of the cable-stayed bridge cable tower beam can be stably connected with I-steel, and can play a role in pre-fixing during installation, so that the problem that the second transverse supporting rod is difficult to install due to self gravity is avoided.
In some embodiments of the application, the vertical brace comprises a vertical rod body and a third screw adjuster.
The vertical rod body is in threaded fit with the third spiral adjusting piece, so that the third spiral adjusting piece can adjust the dimension of the vertical stay rod along the height direction.
The vertical stay bar in the high-altitude steel supporting structure of the cable-stayed bridge tower cross beam can be matched with the size of a bridge hole by adjusting the size.
In some embodiments of the application, the first transverse strut and the second transverse strut are connected at a node.
The joint is the joint of the second transverse stay bar and the vertical stay bar.
In the cable-stayed bridge cable tower cross beam high-altitude steel supporting structure, the first transverse supporting rod, the second transverse supporting rod and the vertical supporting rod can be supported through the same node steel structure, so that the connection strength is improved.
In some embodiments of the application, the cable tower cross beam high altitude steel support structure of the cable bridge further comprises diagonal braces.
The inclined stay bar is inclined to the height direction, and two ends of the inclined stay bar are propped against the inner wall of the bridge opening.
The oblique stay bar comprises an oblique rod body and a fourth spiral adjusting piece.
The oblique rod body is in threaded fit with the fourth spiral adjusting piece, so that the fourth spiral adjusting piece can adjust the size of the oblique stay rod.
The high-altitude steel support structure of the cable-stayed bridge cable tower cross beam can improve the strength of the whole steel support structure through the inclined stay bars.
In some embodiments of the present application, the high-altitude steel support structure of the cable tower beam of the cable-stayed bridge further comprises a transverse plate, wherein the transverse plate is arranged on the top wall of the bridge cavity, and two ends of the transverse plate are respectively and fixedly connected with two conformal support plates.
The high-altitude steel supporting structure of the cable-stayed bridge tower cross beam can more uniformly support the inner wall of a bridge cavity.
Drawings
Fig. 1 is a schematic view of a first view of a cable tower according to an embodiment of the present application, wherein the left-right direction is the width direction of the cable tower.
Fig. 2 is a schematic structural view of a first view of a cable tower according to an embodiment of the present application, wherein the left-right direction is the thickness direction of the cable tower.
Fig. 3 is a partial enlarged view of the area a in fig. 2.
Fig. 4 is a partial enlarged view of the region B in fig. 2.
Description of the main reference signs
030. High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam
010. Bridge opening
001. Tower limb of cable tower
100. First transverse stay bar
200. Second transverse stay
210. Transverse rod body
220. First screw adjusting piece
221. First groove
230. Second screw adjusting piece
231. Second groove
300. Vertical stay bar
310. Vertical rod body
320. Third screw adjusting piece
400. Conformal support plate
410. I-steel
500. Diagonal brace rod
510. Oblique rod body
520. Fourth screw adjusting piece
600. Transverse plate
The application will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The embodiment of the application provides a high-altitude steel supporting structure of a cable tower cross beam of a cable-stayed bridge, which is arranged in a bridge hole through which a tower limb of the cable tower penetrates along the width direction. The high-altitude steel support structure of the cable-stayed bridge cable tower cross beam comprises a first transverse stay bar, a second transverse stay bar and a vertical stay bar. The first transverse stay bars are arranged in the bridge hole along the width direction of the cable tower limbs. The second transverse supporting rods are arranged in the bridge hole along the thickness direction of the cable tower limb, one second transverse supporting rod is simultaneously connected with a plurality of first transverse supporting rods positioned on the same horizontal plane, and two ends of the second transverse supporting rods are propped against the inner wall of the bridge hole along the thickness direction of the cable tower limb. The vertical stay bars are arranged in the bridge hole along the height direction, and one vertical stay bar is simultaneously connected with a plurality of first transverse stay bars. The second transverse stay bar comprises a transverse rod body, a first spiral adjusting piece and a second spiral adjusting piece. The two ends of the transverse rod body are respectively in threaded fit with the first spiral adjusting piece and the second spiral adjusting piece, so that the first spiral adjusting piece and the second spiral adjusting piece can adjust the size of the second transverse stay rod along the thickness direction of the tower limb of the cable tower.
The cable-stayed bridge cable tower transverse high-altitude steel support structure forms a three-dimensional steel support structure through the first transverse stay bar, the second transverse stay bar and the vertical stay bar. On the one hand, first horizontal vaulting pole, second horizontal vaulting pole and vertical vaulting pole can hoist and mount respectively to the bridge opening position and assemble again, can reduce the hoist and mount degree of difficulty. On the other hand, the second transverse strut may be adapted in size to the size of the bridge opening, thereby improving the stability of the support.
Embodiments of the present application will be further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, an embodiment of the present application provides a high-altitude steel support structure 030 for a cable tower beam of a cable-stayed bridge, which is disposed in a bridge hole 010 through which a tower leg 001 of the cable tower penetrates in a width direction. Such a cable tower girder high-altitude steel support structure 030 includes a first transverse strut 100, a second transverse strut 200 and a vertical strut 300.
The first transverse stay 100 is disposed in the bridge hole 010 along the width direction of the cable tower leg 001.
The second transverse supporting rods 200 are arranged in the bridge hole 010 along the thickness direction of the cable tower limb 001, one second transverse supporting rod 200 is simultaneously connected with a plurality of first transverse supporting rods 100 positioned on the same horizontal plane, and two ends of the second transverse supporting rods support against the inner wall of the bridge hole 010 along the thickness direction of the cable tower limb 001.
The vertical stay bars 300 are disposed in the bridge hole 010 along the height direction, and one vertical stay bar 300 is simultaneously connected to a plurality of first transverse stay bars 100.
The second transverse strut 200 includes a transverse rod body 210, a first screw adjuster 220, and a second screw adjuster 230.
Both ends of the transverse rod body 210 are respectively in threaded fit with the first screw adjusting member 220 and the second screw adjusting member 230, so that the first screw adjusting member 220 and the second screw adjusting member 230 can adjust the dimension of the second transverse stay 200 along the thickness direction of the cable tower limb 001.
The cable-stayed bridge cable tower horizontal high-altitude steel support structure forms a three-dimensional steel support structure through the first transverse stay bars 100, the second transverse stay bars 200 and the vertical stay bars 300. On the one hand, the first transverse stay bar 100, the second transverse stay bar 200 and the vertical stay bar 300 can be respectively hoisted to the bridge hole 010 position for reassembling, so that the hoisting difficulty can be reduced. On the other hand, the second transverse strut 200 may be adapted in size to the size of the bridge opening 010, thereby improving the stability of the support.
In some embodiments of the present application, the high-altitude steel support structure 030 of the cable-stayed bridge tower beam further includes two compliant support plates 400, the two compliant support plates 400 are respectively disposed at two sides of the bridge opening 010 along the thickness direction of the cable-stayed tower leg 001, and the second transverse strut 200 is abutted against the inner wall of the bridge opening 010 by the compliant support plates 400.
The cable-stayed bridge tower beam high-altitude steel support structure 030 adapts to the side shape of the bridge hole 010 which is relatively stable through the conformal support plate 400, and the stress is dispersed in each area of the bridge hole 010 through the same conformal support plate 400, so that the local stress of the cable tower limb 001 is reduced.
In some embodiments of the present application, the conformal support plate 400 is provided with i-steel 410 extending along the width direction of the tower leg 001 of the cable tower. The first screw adjuster 220 is supported on the i-beam 410 of one of the conformal support plates 400. The second screw adjuster 230 is supported on the i-beam 410 of the other conformal support plate 400.
The I-shaped steel 410 in the cable-stayed bridge cable tower beam high-altitude steel support structure 030 can disperse the stress of the single second transverse stay bar 200 along the width direction of the cable tower limb 001, reduce the local stress of the conformal support plate 400, and avoid the deformation of the conformal support plate 400 after the local stress is overlarge and the deformation is not clung to the inner wall of the bridge hole 010.
In some embodiments of the present application, the first screw adjusting member 220 is provided with a first groove 221, and the first groove 221 is configured to receive the i-beam 410 on one of the conformal support plates 400.
The second screw adjusting member 230 is provided with a second groove 231, and the second groove 231 is configured to receive the i-beam 410 on the other conformal support plate 400.
The first spiral adjusting piece 220 and the second spiral adjusting piece 230 in the cable-stayed bridge cable tower beam high-altitude steel supporting structure 030 can be stably connected with the I-steel 410, and can play a role in pre-fixing during installation, so that the problem that the second transverse stay bar 200 is difficult to install due to self gravity is solved.
In some embodiments of the present application, the vertical stay 300 includes a vertical rod body 310 and a third screw adjuster 320.
The vertical rod body 310 is in threaded engagement with the third screw adjuster 320, so that the third screw adjuster 320 can adjust the dimension of the vertical stay 300 in the height direction.
The vertical stay bars 300 in the cable-stayed bridge tower cross beam high-altitude steel support structure 030 can be matched with the size of the bridge hole 010 by adjusting the size.
In some embodiments of the application, the first transverse strut 100 and the second transverse strut 200 are connected at a node.
The node is the connection between the second transverse brace 200 and the vertical brace 300.
In the cable-stayed bridge cable tower beam high-altitude steel support structure 030, the first transverse stay bar 100, the second transverse stay bar 200 and the vertical stay bar 300 can be supported by the same node steel structure, so that the connection strength is improved.
In some embodiments of the present application, the cable tower cross beam high altitude steel support structure 030 further includes diagonal braces 500.
The diagonal brace 500 is inclined to the height direction, and two ends of the diagonal brace 500 are abutted against the inner wall of the bridge opening 010.
The diagonal brace 500 includes a diagonal rod 510 and a fourth screw adjuster 520.
The diagonal rod 510 is screw-coupled with the fourth screw adjuster 520, so that the fourth screw adjuster 520 can adjust the size of the diagonal stay 500.
Such a cable-stayed bridge tower beam high-altitude steel support structure 030 can improve the strength of the entire steel support structure by diagonal braces 500.
In some embodiments of the present application, the high-altitude steel support structure 030 of the cable-stayed bridge tower beam further includes a transverse plate 600, the transverse plate 600 is disposed on the top wall of the bridge hole 010, and two ends of the transverse plate 600 are fixedly connected to two conformal support plates 400 respectively.
The high-altitude steel support structure 030 of the cable-stayed bridge tower cross beam can more uniformly support the inner wall of the bridge hole 010. It will be appreciated that the transverse plate 600 may also be integrally formed with two conformable support plates 400.
Further, other variations within the spirit of the present application will occur to those skilled in the art, and it is intended, of course, that such variations be included within the scope of the present application as disclosed herein.
Claims (8)
1. The utility model provides a cable tower crossbeam high altitude steel bearing structure of cable-stayed bridge, sets up in the bridge opening that cable tower limb runs through along width direction, its characterized in that includes:
the first transverse stay bars are arranged in the bridge hole along the width direction of the cable tower limbs;
The second transverse supporting rods are arranged in the bridge hole along the thickness direction of the cable tower limb, one second transverse supporting rod is simultaneously connected with a plurality of first transverse supporting rods positioned on the same horizontal plane, and two ends of the second transverse supporting rods are abutted against the inner wall of the bridge hole along the thickness direction of the cable tower limb;
The vertical supporting rods are arranged in the bridge hole along the height direction, and one vertical supporting rod is simultaneously connected with a plurality of first transverse supporting rods;
The second transverse stay bar comprises a transverse rod body, a first spiral adjusting piece and a second spiral adjusting piece;
The two ends of the transverse rod body are respectively in threaded fit with the first spiral adjusting piece and the second spiral adjusting piece, so that the first spiral adjusting piece and the second spiral adjusting piece can adjust the size of the second transverse stay rod along the thickness direction of the tower limb of the cable tower.
2. The cable-stayed bridge tower beam high-altitude steel supporting structure according to claim 1, further comprising two conformal supporting plates, wherein the two conformal supporting plates are respectively arranged at two sides of the bridge opening along the thickness direction of the cable tower limb, and the second transverse supporting rod is propped against the inner wall of the bridge opening through the conformal supporting plates.
3. The overhead steel support structure of a cable-stayed bridge tower beam according to claim 2, wherein the conformal support plate is provided with I-steel extending along the width direction of the tower limb of the cable-stayed bridge;
The first spiral adjusting piece is supported on the I-steel on one conformal supporting plate;
The second spiral adjusting piece is supported on the I-steel on the other conformal supporting plate.
4. A cable-stayed bridge tower beam high-altitude steel support structure according to claim 3, wherein the first screw adjusting piece is provided with a first groove for accommodating the i-steel on one of the conformal support plates;
The second spiral adjusting piece is provided with a second groove, and the second groove is used for accommodating the I-steel on the other conformal supporting plate.
5. The cable tower cross beam overhead steel support structure of claim 4, wherein the vertical stay comprises a vertical rod body and a third screw adjuster;
The vertical rod body is in threaded fit with the third spiral adjusting piece, so that the third spiral adjusting piece can adjust the dimension of the vertical stay rod along the height direction.
6. The cable tower cross beam overhead steel support structure of claim 5, wherein the first and second transverse struts are connected at a node;
the joint is the joint of the second transverse stay bar and the vertical stay bar.
7. The cable tower cross beam overhead steel support structure of the cable-stayed bridge of claim 6, further comprising diagonal braces;
the inclined stay bar is inclined to the height direction, and two ends of the inclined stay bar are propped against the inner wall of the bridge opening;
The oblique stay bar comprises an oblique rod body and a fourth spiral adjusting piece;
the oblique rod body is in threaded fit with the fourth spiral adjusting piece, so that the fourth spiral adjusting piece can adjust the size of the oblique stay rod.
8. The cable-stayed bridge tower beam high-altitude steel supporting structure according to claim 7, further comprising a transverse plate arranged on the top wall of the bridge opening, wherein two ends of the transverse plate are respectively and fixedly connected with two conformal supporting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969963.3U CN220789395U (en) | 2023-07-25 | 2023-07-25 | High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969963.3U CN220789395U (en) | 2023-07-25 | 2023-07-25 | High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220789395U true CN220789395U (en) | 2024-04-16 |
Family
ID=90666482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321969963.3U Active CN220789395U (en) | 2023-07-25 | 2023-07-25 | High-altitude steel supporting structure for cable-stayed bridge cable tower cross beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220789395U (en) |
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2023
- 2023-07-25 CN CN202321969963.3U patent/CN220789395U/en active Active
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