CN217104661U - Arch rib for bridge engineering - Google Patents
Arch rib for bridge engineering Download PDFInfo
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- CN217104661U CN217104661U CN202122633393.8U CN202122633393U CN217104661U CN 217104661 U CN217104661 U CN 217104661U CN 202122633393 U CN202122633393 U CN 202122633393U CN 217104661 U CN217104661 U CN 217104661U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model provides an arch rib for bridge engineering relates to bridge engineering technical field, including backup pad, support column, intermediate lever, bearing bar, bottom plate, fixed column, stiffening rib and ejector pin, the bilateral symmetry fixedly connected with extension plate of bottom plate. The utility model discloses a set up the stiffening rib, bottom plate and fixed column, three horn shapes are constituteed to stiffening rib and bottom plate, the stability and the impact resistance of reinforcing arch rib, the fixed column can be balanced unified the gravity of rationally sharing the bridge, and fixed column structure self weight is little, the cost is saved, the fixed column strengthens arch rib's structural strength and bearing capacity, improve the security performance of bridge, through setting up the spring, increase ejector pin and spring in the bottom of middle rib, when the bridge produces resonance, the spring has the cushioning effect, bridge resonance phenomenon can effectively be alleviated, movable groove and elastic strip make the stiffening rib have the space of buffering simultaneously, after top bridge bearing weight change, the stiffening rib makes this arch rib have the space of buffering, avoid the direct fracture of arch rib.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a bridge is arch rib for engineering.
Background
The steel arch bridge has the advantages of saving steel under the same span, being good in durability and saving maintenance cost, the arch bridge in the bridge structure is a bridge type with the most abundant structural form change, the beam-arch position relation comprises a lower bearing type, a middle bearing type and an upper bearing type, the main beam and the arch ribs have various structural forms, the arch rib plane is arranged perpendicular to the bridge plane and is the earliest applied structural form, cross supports can be arranged among the arch ribs to improve the out-of-plane integral stability of the arch ribs, the arch ribs are frameworks of a main arch ring of the arch bridge and bear self weight, transverse connection components and corresponding construction loads, and the design of the arch ribs can meet the strength and stability requirements of a section under the load action of each stage in the assembling process besides the strength and stability requirements of the lifting stage.
In the prior art, for example, Chinese patent numbers are: CN209292858U 'energy-saving arch rib of main bridge of bridge road', the key point of the technical proposal is that a longitudinal stiffening rib (3) is fixed on the inner wall of an arch rib steel tube (1) along the extension direction, a circumferential stiffening rib (2) is installed on the circumference of the inner wall of the arch rib steel tube (1), and the circumferential stiffening rib (2) and the longitudinal stiffening rib (3) are uniformly crossed; shear nails (11) are uniformly fixed on the inner wall of an embedded section of the arch rib steel pipe (1) in a radial and radial mode, anchor bars (12) are uniformly fixed on the inner wall of the arch springing (9) along the extension direction, and the lower ends of the anchor bars (12) are inwards folded at 90 degrees towards the axis of the arch springing (9) at the bottom end opening of the arch springing (9). The inner wall of the arch rib is provided with the annular stiffening rib and the longitudinal stiffening rib net-shaped cross fit structure, the arch foot structure corresponding to the annular stiffening rib and the longitudinal stiffening rib is arranged in a coordinated mode, the load of the system is uniformly and reasonably processed, the self weight of the structure is small, the application of base materials and equipment is reduced, the manufacturing cost is reduced, the cost is saved, the construction period is shortened, the safety performance of the arch bridge is obviously improved, and potential safety hazards to the foundation of the surrounding environment are eliminated.
However, in the prior art, the construction method of the steel arch bridge is a suspension splicing method, the connection between arch ribs is mostly welded, the existing steel arch bridge and the existing arch ribs are weak in bearing capacity and low in structural strength, meanwhile, the existing arch ribs cannot well play a role in relieving bridge resonance, the steel arch bridge also can collapse easily after being used for a long time, and the water-soluble fertilizer quality screening device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the bearing capacity that has current steel arch bridge and arch rib among the prior art and weaker, structural strength is low, and current arch rib can not play the effect of alleviating bridge resonance well simultaneously, also can have the problem of collapsing easily after the steel arch bridge uses for a long time, and the water-soluble fertile quality sieving mechanism who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an arch rib for bridge engineering comprises a supporting plate, supporting columns, an intermediate rod, a bearing rod, a bottom plate, a fixing column, reinforcing ribs and ejector rods, wherein the two sides of the bottom plate are symmetrically and fixedly connected with extension plates, the top of each extension plate is fixedly connected with the bottom of the bearing rod, the top of the bearing rod is fixedly connected with a connecting ring, a spring is arranged inside the connecting ring, the top of the connecting ring is fixedly connected with the bottom of the ejector rod, the two ends of the intermediate rod are symmetrically and fixedly connected with the intermediate rib, the top of the ejector rod and the bottom of the intermediate rib are fixedly installed, the two ends of the bottom of the intermediate rod are fixedly connected with the top of the reinforcing ribs, the bottom of the reinforcing ribs is fixedly connected with a movable plate, the two ends of the bottom plate are symmetrically provided with movable grooves, the two ends of the movable plate are symmetrically and fixedly connected with a plurality of elastic strips, and one ends of the elastic strips are fixedly connected with the two sides of the inner walls of the movable grooves, the bottom of the movable plate is movably connected with the inner wall of the movable groove, and the top of the reinforcing rib is uniformly and fixedly connected with a plurality of transverse rods.
Preferably, the two ends of the middle rib are symmetrically and fixedly connected with side ribs, and the inner sides of the side ribs are fixedly connected with arc-shaped steel plates.
Preferably, a plurality of connecting rods are uniformly and fixedly mounted on one side of each side rib, and the bottoms of the side ribs are fixedly mounted with the tops of the supporting columns.
Preferably, the bottom of the supporting column is fixedly mounted with the top of the supporting plate, and the bottom of the connecting rod is fixedly connected with the top of the fixing column.
Preferably, the bottom of the fixing column is fixedly connected with a base, and the bottom of the base is fixedly connected with the top of the bottom plate.
Preferably, one end of the bottom plate is fixedly mounted with one end of the support plate, and the number of the side ribs is four.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model discloses in, through setting up the stiffening rib, bottom plate and fixed column, through the mutual welded fastening of a plurality of connecting rods between the side rib, the stiffening rib has been increased in the bottom of intermediate lever, three horn shapes are constituteed to stiffening rib and bottom plate, stability has according to triangle-shaped, strengthen the stability and the shock resistance of whole arch rib, increase the fixed column in the middle of connecting rod and bottom plate, the fixed column can be balanced unified the gravity of rationally sharing top bridge, and fixed column structure self weight is little, the cost is saved, the structural strength and the bearing capacity of the whole arch rib of fixed column reinforcing, the security performance of bridge is improved.
2. The utility model discloses in, through setting up the spring, increase ejector pin and spring in the bottom of middle rib, when the bridge produced resonance, the spring had the cushioning effect, can effectively alleviate bridge resonance phenomenon, and movable groove and elastic strip make the stiffening rib have the space of buffering simultaneously, and after top bridge bearing weight-changing, the stiffening rib makes this arch rib have the space of buffering, avoids the arch rib direct fracture.
Drawings
Fig. 1 is a schematic perspective view of an arch rib for bridge engineering according to the present invention;
fig. 2 is an enlarged view of a detail a in fig. 1 of an arch rib for bridge engineering according to the present invention;
fig. 3 is a schematic top view of the screening mechanism for arch ribs for bridge engineering according to the present invention;
fig. 4 is a front view of the arch rib for bridge engineering of the present invention.
Illustration of the drawings: 1. a support plate; 2. a support pillar; 3. a middle rib; 4. an intermediate lever; 5. a top rod; 6. a side rib; 7. an arc-shaped steel plate; 8. a connecting rod; 9. fixing a column; 10. a base; 11. reinforcing ribs; 12. a transverse bar; 13. a movable plate; 14. an elastic strip; 15. a base plate; 16. an extension plate; 17. a load-bearing bar; 18. a movable groove; 19. a connecting ring; 20. a spring.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1 to 4, the utility model provides an arch rib for bridge engineering, including a supporting plate 1, a supporting column 2, an intermediate rod 4, a bearing rod 17, a bottom plate 15, a fixing column 9, a reinforcing rib 11 and a mandrel 5, wherein the two sides of the bottom plate 15 are symmetrically and fixedly connected with an extending plate 16, the top of the extending plate 16 is fixedly connected with the bottom of the bearing rod 17, the top of the bearing rod 17 is fixedly connected with a connecting ring 19, the connecting ring 19 is used for connecting the mandrel 5 and the bearing rod 17, a spring 20 is arranged inside the connecting ring 19, the spring 20 has a buffering effect, which can effectively relieve bridge resonance, the top of the connecting ring 19 is fixedly connected with the bottom of the mandrel 5, the two ends of the intermediate rod 4 are symmetrically and fixedly connected with the intermediate rib 3, the top of the mandrel 5 is fixedly mounted with the bottom of the intermediate rib 3, and the two ends of the bottom of the intermediate rod 4 are fixedly connected with the top of the reinforcing rib 11, the reinforcing rib 11 enables the arch rib to have a buffering space, the arch rib is prevented from being directly broken, the bottom of the reinforcing rib 11 is fixedly connected with a movable plate 13, two ends of a bottom plate 15 are symmetrically provided with movable grooves 18, two ends of the movable plate 13 are symmetrically and fixedly connected with a plurality of elastic strips 14, the movable grooves 18 and the elastic strips 14 enable the reinforcing rib 11 to have the buffering space, one end of each elastic strip 14 is fixedly connected with two sides of the inner wall of each movable groove 18, the bottom of the movable plate 13 is movably connected with the inner wall of each movable groove 18, and the top of the reinforcing rib 11 is uniformly and fixedly connected with a plurality of transverse rods 12.
The two ends of the middle rib 3 are symmetrically and fixedly connected with side ribs 6, the inner sides of the side ribs 6 are fixedly connected with arc-shaped steel plates 7, the middle rib 3 and the side ribs 6 form an arc shape, and the arc-shaped steel plates 7 are used for being connected with the side ribs 6.
The even fixed mounting in one side of side rib 6 has a plurality of connecting rod 8, and the bottom of side rib 6 and the top fixed mounting of support column 2, connecting rod 8 are used for connecting the side rib 6 of both sides, make the intensity between the side rib 6 stronger, and is not fragile.
The bottom of support column 2 and the top fixed mounting of backup pad 1, the bottom of connecting rod 8 and the top fixed connection of fixed column 9, support column 2 are used for connecting side rib 6 and backup pad 1, and backup pad 1 can fix the arch rib at the bridge both ends.
The bottom fixedly connected with base 10 of fixed column 9, the bottom of base 10 and the top fixed connection of bottom plate 15, base 10 are used for strengthening the intensity and the bearing capacity of fixed column 9, make fixed column 9 difficult fracture.
One end of the bottom plate 15 and one end of the supporting plate 1 are fixedly arranged, the number of the side ribs 6 is four, and the reinforcing ribs 11 and the bottom plate 15 form a triangular shape, so that the stability and the impact resistance of the whole arch rib are enhanced.
The utility model discloses a theory of operation: the arch rib mainly comprises a middle rib 3, four side ribs 6, a bottom plate 15, two reinforcing ribs 11 and a plurality of fixing columns 9, wherein the middle of the two middle ribs 3 is welded through a middle rod 4, two ends of the middle rib 3 are welded and fixed with the side ribs 6, the middle rib 3 and the side ribs 6 form an arc shape, the bottoms of the side ribs 6 are fixedly installed through a supporting column 2 and a supporting plate 1, the two side ribs 6 on one side are mutually welded and fixed through a plurality of connecting rods 8, the reinforcing ribs 11 are additionally arranged at the bottom of the middle rod 4, the reinforcing ribs 11 and the bottom plate 15 form a triangular shape, the stability is realized according to the triangular shape, the stability and the impact resistance of the whole arch rib are enhanced, meanwhile, the bottom of the 11 is connected with a movable plate 13, two sides of the movable plate 13 are connected with the bottom plate 15 through elastic strips 14, the movable grooves 18 and the elastic strips 14 enable the reinforcing ribs 11 to have buffer spaces, when the top bridge is heavy in bearing, reinforcing rib 11 makes this arch rib have the space of buffering, avoid arch rib direct fracture, simultaneously at middle rib 3's bottom increase ejector pin 5 and spring 20, when the bridge produces resonance, spring 20 has the cushioning effect, bridge resonance phenomenon can effectively be alleviated, increase a plurality of fixed columns 9 in the middle of a plurality of connecting rods 8 and bottom plate 15, the gravity of top bridge is shared to balanced unified reasonable, and fixed column 9 structure self weight is little, the cost is saved, fixed column 9 strengthens the structural strength and the bearing capacity of whole arch rib, improve the security performance of bridge.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an arch rib for bridge engineering, includes backup pad (1), support column (2), intermediate lever (4), bearing bar (17), bottom plate (15), fixed column (9), stiffening rib (11) and ejector pin (5), its characterized in that: the elastic support is characterized in that extension plates (16) are symmetrically and fixedly connected to two sides of the bottom plate (15), the top of each extension plate (16) is fixedly connected with the bottom of the bearing rod (17), a connecting ring (19) is fixedly connected to the top of the bearing rod (17), a spring (20) is arranged inside each connecting ring (19), the top of each connecting ring (19) is fixedly connected with the bottom of the ejector rod (5), middle ribs (3) are symmetrically and fixedly connected to two ends of each middle rod (4), the top of each ejector rod (5) is fixedly installed with the bottom of each middle rib (3), two ends of the bottom of each middle rod (4) are fixedly connected with the top of the reinforcing rib (11), a movable plate (13) is fixedly connected to the bottom of each reinforcing rib (11), movable grooves (18) are symmetrically formed in two ends of the bottom plate (15), and a plurality of elastic strips (14) are symmetrically and fixedly connected to two ends of each movable plate (13), one end of each elastic strip (14) is fixedly connected with two sides of the inner wall of each movable groove (18), the bottom of each movable plate (13) is movably connected with the inner wall of each movable groove (18), and a plurality of transverse rods (12) are uniformly and fixedly connected to the tops of the reinforcing ribs (11).
2. A rib as defined in claim 1, wherein: the two ends of the middle rib (3) are symmetrically and fixedly connected with side ribs (6), and the inner sides of the side ribs (6) are fixedly connected with arc-shaped steel plates (7).
3. A bridge construction rib as defined in claim 2, wherein: a plurality of connecting rods (8) are uniformly and fixedly mounted on one side of the side rib (6), and the bottom of the side rib (6) is fixedly mounted on the top of the supporting column (2).
4. A bridge construction rib as defined in claim 3, wherein: the bottom of the supporting column (2) is fixedly installed on the top of the supporting plate (1), and the bottom of the connecting rod (8) is fixedly connected with the top of the fixing column (9).
5. A bridge construction rib as defined in claim 1, wherein: the bottom of the fixing column (9) is fixedly connected with a base (10), and the bottom of the base (10) is fixedly connected with the top of the bottom plate (15).
6. A bridge construction rib as defined in claim 2, wherein: one end of the bottom plate (15) is fixedly installed with one end of the support plate (1), and the number of the side ribs (6) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122633393.8U CN217104661U (en) | 2021-10-31 | 2021-10-31 | Arch rib for bridge engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122633393.8U CN217104661U (en) | 2021-10-31 | 2021-10-31 | Arch rib for bridge engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217104661U true CN217104661U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122633393.8U Expired - Fee Related CN217104661U (en) | 2021-10-31 | 2021-10-31 | Arch rib for bridge engineering |
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| Country | Link |
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| CN (1) | CN217104661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491967A (en) * | 2022-09-05 | 2022-12-20 | 南通路桥工程有限公司 | Deck type concrete filled steel tube arch bridge with main arch ring provided with damping device |
-
2021
- 2021-10-31 CN CN202122633393.8U patent/CN217104661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491967A (en) * | 2022-09-05 | 2022-12-20 | 南通路桥工程有限公司 | Deck type concrete filled steel tube arch bridge with main arch ring provided with damping device |
| CN115491967B (en) * | 2022-09-05 | 2023-11-24 | 南通路桥工程有限公司 | Upper bearing type steel pipe concrete arch bridge with damping device on main arch ring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |