CN220116999U - Shock-resistant inner baffle device and bridge - Google Patents
Shock-resistant inner baffle device and bridge Download PDFInfo
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- CN220116999U CN220116999U CN202320132135.8U CN202320132135U CN220116999U CN 220116999 U CN220116999 U CN 220116999U CN 202320132135 U CN202320132135 U CN 202320132135U CN 220116999 U CN220116999 U CN 220116999U
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- upper cover
- cover plate
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- base
- seismic
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- 230000035939 shock Effects 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000004308 accommodation Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides an anti-seismic inner blocking device and a bridge, wherein the anti-seismic inner blocking device is used for assisting the bridge to resist seismic, the bridge comprises a main beam, a bridge pier bent cap and an end cross beam connected with the end part of the main beam, an accommodating space is formed among the main beam, the bridge pier bent cap and the end cross beam, the anti-seismic inner blocking device is arranged in the accommodating space, and the anti-seismic inner blocking device comprises a base, a concrete upper cover plate and a supporting main body; the base is detachably arranged on the bridge pier capping beam; the concrete upper cover plate is arranged at intervals with the inner side walls of the main beams and the end cross beams, and the distance between the end parts of the concrete upper cover plate and the main beams is adjustable; the support main body is detachably connected between the base and the concrete upper cover plate. According to the utility model, the anti-seismic inner baffle device is arranged into the detachable structure, and the distance between the concrete upper cover plate and the main beam or the end cross beam can be adjusted by adopting the upper cover plates with different sizes, so that the concrete upper cover plate can be replaced after being vibrated, and the concrete upper cover plate is simple and convenient to replace and can be used immediately.
Description
Technical Field
The utility model belongs to the technical field of anti-seismic devices, and particularly relates to an anti-seismic inner baffle device and a bridge.
Background
In the design and construction of bridge, can restrict girder displacement through setting up the dog in bridge mound top pier bent cap department, effectually prevent that the bridge girder from taking place under the seismic action and falling the roof beam and destroying. The middle and small span beam type bridge in China mostly adopts a plate type rubber support which is directly placed, the displacement limiting capacity of the support to a girder is poor, the girder slides easily under the action of an earthquake force, and severe collision is caused between the girder and a stop block, so that the stop block is damaged, and even the bridge pier cap beam is damaged when serious. At present, an integral concrete block is commonly adopted at home and abroad, the block is mostly constructed and reinforced according to experience and then is integrally poured with a pier through concrete, so that a block failure mechanism and an energy consumption mode under the action of an actual earthquake are not clear enough, and a force transmission mechanism between the block and a pier capping beam is basically and completely destroyed after the integral concrete block is damaged by the earthquake. The concrete is poured again only through the implanted reinforcing steel bars after earthquake, and the like, so that the concrete is required to reach the strength for a certain time at first and cannot reach the effect of immediate restoration, and the effective connection between the new stop block and the old pier bent cap is difficult to realize in the mode, and the expected anti-seismic reinforcement effect is difficult to reach, so that the post-earthquake restoration of the integral concrete stop block is troublesome and time-consuming, and the ideal restoration reinforcement effect cannot be reached.
Disclosure of Invention
The embodiment of the utility model provides an anti-seismic inner baffle device and a bridge, which are used for solving the problems that the existing anti-seismic concrete stop block cannot be disassembled and is difficult to repair.
In a first aspect, an embodiment of the present utility model provides an anti-seismic inner blocking device, configured to assist in anti-seismic of a bridge, where the bridge includes a main beam, a bridge pier capping beam, and an end beam connected to an end portion of the main beam, and an accommodating space is formed among the main beam, the bridge pier capping beam, and the end beam, and the anti-seismic inner blocking device is disposed in the accommodating space, and the anti-seismic inner blocking device includes:
the base is detachably arranged on the bridge pier capping beam;
the concrete upper cover plate is arranged at intervals with the inner side walls of the main beams and the end cross beams, and the distance between the end parts of the concrete upper cover plate and the main beams is adjustable; and
and the support main body is detachably connected between the base and the concrete upper cover plate.
Optionally, the supporting body comprises a steel body and stiffening ribs arranged on the periphery of the steel body, and the steel body and the stiffening ribs are welded and formed.
Optionally, the stiffening rib is a plastic product.
Optionally, the stiffening ribs have a triangular structure.
Optionally, the base is detachably connected with the pier capping beam through an anchor rod.
Optionally, the base is platelike structure, the quantity of stock is a plurality of and evenly divides to locate the four corners of base.
Optionally, a plurality of mounting holes are formed in the concrete upper cover plate, the concrete upper cover plate is connected with the top end of the steel main body through a plurality of fasteners, and the number of the fasteners is the same as that of the mounting holes and corresponds to the number of the mounting holes one by one.
Optionally, the top and the bottom of steel main part have welded upper plate and lower plate respectively, the upper plate with concrete upper cover plate can dismantle the connection, the lower plate with pier bent cap can dismantle the connection.
Optionally, the base and the concrete upper cover plate are both square structures.
In a second aspect, an embodiment of the present utility model further provides a bridge, where the bridge includes the anti-seismic inner gear device as described above.
According to the anti-seismic inner baffle device provided by the embodiment of the utility model, the anti-seismic inner baffle device is arranged as the base, the concrete upper cover plate and the supporting main body which are detachably connected with each other, in particular, the base is detachably arranged on the bridge pier capping beam, the concrete upper cover plate is arranged at intervals with the inner side walls of the main beam and the end cross beam, the distance between the end part of the concrete upper cover plate and the main beam is adjustable, and the supporting main body is detachably connected between the base and the concrete upper cover plate. The distance between the main beam and the concrete upper cover plate can also have a great influence on the shock resistance of the bridge, and the concrete upper cover plate can adjust the distance between the concrete upper cover plate and the main beam or the end cross beam by adopting the upper cover plates with different sizes, so that the concrete upper cover plate can be replaced after the shock, and the replacement is simple and convenient, and the replacement is instant; in addition, due to the special structural design of the concrete upper cover plate, the distance between the concrete upper cover plate and the main beam can be adjusted according to actual conditions; and moreover, the concrete upper cover plate cannot cause too great damage to the bent cap due to the structural specificity when being damaged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art.
For a more complete understanding of the present utility model and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic layout structure of a bridge and an anti-seismic inner gear device according to an embodiment of the present utility model.
Fig. 2 is a schematic front view of a portion of a bridge and an anti-seismic inner gear according to an embodiment of the present utility model.
Fig. 3 is a schematic front view of a bridge and an anti-seismic inner gear device according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a steel body according to an embodiment of the present utility model.
10. A main beam; 20. pier capping beams; 30. an end beam; 40. an anti-vibration inner baffle device; 41. a base; 42. a lower base plate; 43. a concrete upper cover plate; 44. a support body; 441. a steel body; 442. stiffening ribs; 45. a bolt; 46. an upper bottom plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
At present, an integral concrete stop block is commonly adopted at home and abroad, because a corresponding design method is not available in China, the stop block is too large in design randomness, an earthquake damage mechanism and an energy consumption mode are not clear enough, after earthquake repair is troublesome and time-consuming, an ideal reinforcing effect cannot be achieved, and meanwhile, once construction is completed, the distance between a main beam and the stop block cannot be modified any more, and sometimes the stop block is damaged under the action of strong earthquake force to cause damage of a capping beam.
In view of the above, the embodiment of the utility model provides an anti-seismic inner baffle device and a bridge, so as to solve the problems that the existing anti-seismic concrete stop block cannot be disassembled and is difficult to repair. Which will be described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the anti-seismic inner blocking device 40 is used for assisting in the seismic isolation of a bridge, the bridge comprises a girder 10, a bridge pier capping beam 20 and an end beam 30 connected with the end of the girder 10, an accommodating space is formed among the girder 10, the bridge pier capping beam 20 and the end beam 30, the anti-seismic inner blocking device 40 is arranged in the accommodating space, two sides of the whole anti-seismic inner blocking device 40 do not contact the girder 10 and the end beam 30, and the anti-seismic inner blocking device 40 comprises a base 41, a concrete upper cover plate 43 and a supporting main body 44; the base 41 is detachably mounted on the pier capping beam 20; the concrete upper cover plate 43 is arranged at intervals with the inner side walls of the main beam 10 and the end cross beam 30, and the distance between the end part of the concrete upper cover plate 43 and the main beam 10 is adjustable; the support body 44 is detachably coupled between the base 41 and the concrete upper cover 43.
According to the utility model, the anti-seismic inner baffle device 40 is arranged as the base 41, the concrete upper cover plate 43 and the supporting main body 44 which are detachably connected with each other, and certain intervals are reserved between the concrete upper cover plate 43 and the inner side walls of the main beam 10 and the end cross beam 30, and the intervals between the main beam 10 and the concrete upper cover plate 43 can greatly influence the anti-seismic capacity of a bridge, and the concrete upper cover plate 43 can adjust the distance between the concrete upper cover plate 43 and the main beam 10 or the end cross beam by adopting upper cover plates with different sizes, so that the concrete upper cover plate 43 can be replaced after the earthquake, and the replacement is simple and convenient, namely the replacement is just used; in addition, due to the special structural design of the concrete upper cover plate 43, the distance between the concrete upper cover plate 43 and the main beam 10 can be adjusted according to actual conditions; and, the concrete upper cover plate 43 does not cause too much damage to the bent cap due to the structural particularities at the time of the damage.
As shown in fig. 3 and 4, alternatively, the support body 44 includes a steel body 441 and a stiffening rib 442 provided at the outer circumference of the steel body 441, and the steel body 441 and the stiffening rib 442 are welded to each other, so that the connection strength between the steel body 441 and the stiffening rib 442 can be reinforced.
Optionally, the stiffener 442 is a rigid material. Under the action of the earthquake force, the concrete upper cover plate 43 collides with the main beam 10 or the end cross beam 30 first, the earthquake force is transmitted to the steel main body 441 and the stiffening rib 442 through the concrete upper cover plate 43, and the earthquake force transmitted by the main beam 10 or the end cross beam 30 is consumed through plastic deformation of the steel main body 441 and the stiffening rib 442 because the stiffening rib 442 is made of a steel material.
Alternatively, the stiffening rib 442 has a triangular structure, and the inner side surface of the stiffening rib 442 is connected with the steel body 441, the lower bottom surface is connected with the base 41, and the top end of the stiffening rib 442 is spaced from the concrete upper cover plate 43. Specifically, the stiffening rib 442 has a right triangle structure, wherein one right-angle side is tightly attached to the steel body 441 and welded to the steel body 441, the other right-angle side is welded to the base 41, and the oblique side is located at the outer side of the steel body 441, so that the stiffening rib 442 can be guaranteed to have the function of strengthening the structural strength to the greatest extent.
Optionally, the base 41 is detachably connected with the pier capping beam 20 through the anchor rod 45, so that the effective connection between the base 41 and the pier capping beam 20 can be realized quickly and effectively, the area of the steel main body 441 is large, the pressure generated under the action of force is small, and the pier capping beam 20 is not easy to damage. If the stop block is damaged after an earthquake, the stop block can be conveniently replaced by unscrewing the nut of the anchor rod 45.
Optionally, the base 41 is in a plate structure, and in order to ensure the connection stability and uniformity between the base 41 and the bridge pier capping beam 20, the number of the anchor rods 45 is multiple and uniformly distributed at four corners of the base 41. Specifically, the number of the anchor rods 45 is four and are respectively provided at four corners of the base 41, so that the connection stability of the entire plate-shaped base 41 and the pier capping beam 20 can be ensured.
Optionally, a plurality of mounting holes are formed in the concrete upper cover plate 43, the concrete upper cover plate 43 is connected with the top end of the steel main body 441 through a plurality of fasteners, and the fasteners and the mounting holes are the same in number and correspond to each other one by one. The fasteners are bolts, and the concrete upper cover plate 43 and the steel main body 441 are connected through a plurality of bolts, so that the adjustment of the spacing between the upper concrete cover plate and the main beam 10 or the end cross beam 30 can be realized by adopting upper concrete cover plates with different sizes due to the detachable structure. Of course, the fastener of the present utility model is not limited to the bolt, and may be a structure for detachably fastening a screw, or the like. The concrete upper cover plate 43 is connected with the steel main body 441 through bolts, and the adjustment of the distance between the concrete upper cover plate 43 and the main beam 10 or the end cross beam 30 can be realized by adopting the concrete upper cover plates 43 with different sizes.
Further, in order to prevent the bottom of the steel body 441 from damaging the base 41 during use, a lower plate 42 is further provided on the base 41, the top and bottom of the steel body 441 are respectively welded with an upper plate 46 and a lower plate 42, the upper plate 46 is detachably connected with the concrete upper plate 43, and the lower plate 42 is detachably connected with the bridge pier capping beam 20. In order to achieve easy replacement of all the components, the upper base plate 46 and the concrete upper cover plate 43, and the lower base plate 42 and the bridge pier capping beam 20 are detachably connected by bolts or screws.
Optionally, the base 41 and the concrete upper cover plate 43 are both square structures, and the area of the base 41 is larger than that of the concrete upper cover plate 43, and most of the earthquake force generated by the earthquake can be directly transmitted to the concrete upper cover plate 43, that is, the concrete upper cover plate 43 bears most of the earthquake force, so that the bridge pier capping beam 20 cannot be damaged too much under the action of the earthquake force.
Exemplary, embodiments of the present utility model also provide a bridge that includes the anti-seismic inner gear 40 as described above. The bridge adopts all embodiments of the anti-seismic internal blocking device 40, so that all the beneficial effects brought by the anti-seismic internal blocking device 40 are not described in detail herein.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. The anti-seismic inner gear device provided by the embodiment of the utility model is described in detail, and specific examples are applied to illustrate the principle and the implementation mode of the utility model, and the description of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present utility model, the present description should not be construed as limiting the present utility model in summary.
Claims (10)
1. The utility model provides a keep off device in antidetonation for assist bridge antidetonation, the bridge include girder, pier bent cap and with girder end connection's end crossbeam, the girder the pier bent cap and form accommodation space between the end crossbeam, its characterized in that, keep off the device in antidetonation is located in the accommodation space, keep off the device in antidetonation includes:
the base is detachably arranged on the bridge pier capping beam;
the concrete upper cover plate is arranged at intervals with the inner side walls of the main beams and the end cross beams, and the distance between the end parts of the concrete upper cover plate and the main beams is adjustable; and
and the support main body is detachably connected between the base and the concrete upper cover plate.
2. The anti-seismic inner fender assembly of claim 1, wherein the support body comprises a steel body and stiffening ribs disposed on an outer periphery of the steel body, the steel body and the stiffening ribs being welded together.
3. The anti-seismic inner rail apparatus of claim 2, wherein the stiffening ribs are rigid members.
4. The anti-seismic inner rail apparatus of claim 2, wherein the stiffening ribs are of triangular configuration.
5. The anti-seismic inner fender assembly of claim 1, wherein the base is detachably connected to the pier cap beam by anchor rods.
6. The anti-seismic inner baffle device according to claim 5, wherein the base is of a plate-shaped structure, and the plurality of anchor rods are uniformly distributed at four corners of the base.
7. The anti-seismic inner baffle device according to claim 2, wherein a plurality of mounting holes are formed in the concrete upper cover plate, the concrete upper cover plate is connected with the top end of the steel main body through a plurality of fasteners, and the fasteners and the mounting holes are the same in number and correspond to each other one by one.
8. The anti-seismic inner fender assembly of claim 2, wherein the top and bottom of the steel body are welded with an upper base plate and a lower base plate, respectively, the upper base plate is detachably connected with the concrete upper cover plate, and the lower base plate is detachably connected with the pier capping beam.
9. The anti-seismic inner fender assembly of any one of claims 1-7, wherein the base and the concrete upper cover plate are each square in configuration.
10. A bridge comprising an anti-seismic inner gear according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132135.8U CN220116999U (en) | 2023-01-13 | 2023-01-13 | Shock-resistant inner baffle device and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132135.8U CN220116999U (en) | 2023-01-13 | 2023-01-13 | Shock-resistant inner baffle device and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116999U true CN220116999U (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320132135.8U Active CN220116999U (en) | 2023-01-13 | 2023-01-13 | Shock-resistant inner baffle device and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116999U (en) |
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2023
- 2023-01-13 CN CN202320132135.8U patent/CN220116999U/en active Active
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