CN210031475U - Anti-beam-falling energy consumption device for bridge - Google Patents
Anti-beam-falling energy consumption device for bridge Download PDFInfo
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- CN210031475U CN210031475U CN201920814291.6U CN201920814291U CN210031475U CN 210031475 U CN210031475 U CN 210031475U CN 201920814291 U CN201920814291 U CN 201920814291U CN 210031475 U CN210031475 U CN 210031475U
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Abstract
The utility model discloses a bridge is with preventing roof beam power consumption device that falls contains the bottom plate, be connected with the spacing groove on the bottom plate, the spacing inslot is equipped with at least one buckled plate, every the extension direction of buckled plate is unanimous, every the horizontal cross-section of buckled plate is wave shape, all the buckled plate sets gradually along direction of height, the high adaptation of spacing groove is all the total height of buckled plate, a tip one of spacing groove is used for connecting every the one end of buckled plate, every the buckled plate other end is connected in the movable component, movable component sliding connection in the tip two of spacing groove, the movable component is used for connecting the roof beam body, the bottom plate is used for connecting the pier. The device has the advantages that the device has remarkable damping and energy dissipation capacity, the structural form is reasonable and simple, the manufacturing cost is greatly reduced, the installation and the replacement are convenient and fast, the installation space is saved, and the bridge structure is effectively protected from beam falling and earthquake damage in an earthquake.
Description
Technical Field
The utility model relates to a railway bridge prevents roof beam power consumption technical field that falls, in particular to roof beam power consumption device that falls is used to bridge.
Background
The anti-beam-falling device is a key structure for bridge seismic resistance and is mainly used for preventing the beam falling caused by overlarge relative displacement of an upper structure and a lower structure, so that the anti-beam-falling device is generally adopted in bridge engineering in a seismic region.
The anti-falling device for the highway bridge in the prior art generally adopts concrete stop blocks, high-strength steel pull rods, high-strength steel cables and the like, while the anti-falling device for the railway bridge generally adopts various stop block forms formed on the basis of I-steel processing, but the anti-falling device in the form generally has certain limitations and is specifically embodied in the following aspects:
the structure is lack of buffer capacity, under the action of an earthquake, almost rigid collision exists between a beam body and a stop block or between an anti-falling device on the beam and a support base cushion, the bridge structure is easy to damage, and the maintenance difficulty is high; rigid collision and large impact acting force, on one hand, the anti-falling device needs a larger section to consume more materials, and on the other hand, the anti-falling device has large impact action on the beam and the pier;
the earthquake energy consumption is poor, because concrete dog, steel pull rod, cable wire all are the earthquake damage that has prevented to take place to fall the roof beam, can't consume energy through self deformation, and current I-steel dog self rigidity is great, can't effectively utilize steel ductility deformation to dissipate seismic energy, consequently at the bridge in high-intensity earthquake district, often need set up other power consumption devices such as attenuator in addition alone and dissipate seismic energy, can increase engineering cost like this, and need place the space for power consumption device independent design.
The post-earthquake repair is difficult and poor in replaceability, once damaged, the bridge cannot be repaired basically, and even if the bridge can be repaired, the cost of economy and time is very high, so that the bridge can be damaged seriously in strong aftershocks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current roof beam dog that prevents falling lacks earthquake power consumption ability, and is poor at the adaptability in high intensity earthquake district, need add the attenuator device alone and consume energy, and the cost is increased the above-mentioned not enough, provides a bridge is with preventing falling roof beam power consumption device.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a bridge is with preventing roof beam power consumption device that falls, contains the bottom plate, be connected with the spacing groove on the bottom plate, the spacing inslot is equipped with at least one buckled plate, every the extension direction of buckled plate is unanimous, every the horizontal cross-section of buckled plate is wave shape, all the buckled plate sets gradually along direction of height, the high adaptation of spacing groove is all the total height of buckled plate, the tip one of spacing groove is used for connecting every the one end of buckled plate, every the buckled plate other end is connected in the movable component, movable component sliding connection in the tip two of spacing groove, the movable component is used for the connecting beam body, the bottom plate is used for connecting the pier, perhaps the movable component is used for connecting the pier, the bottom plate is used for connecting the beam.
The anti-falling beam energy consumption device for the bridge comprises a bottom plate used for connecting piers, wherein the bottom plate is connected with a limiting groove used for placing a corrugated plate, the limiting groove can be formed by two frames or two side plates, one side of the limiting groove can be a frame and the other side of the limiting groove is a side plate, all the corrugated plates are sequentially arranged along the height direction, namely are continuously arranged or arranged in the limiting groove at intervals along the height direction, the extending direction of each corrugated plate is consistent, the horizontal section of each corrugated plate is in a wave shape, the corrugated plates can be selected from metal components with extensibility, such as steel components and aluminum components, namely the corrugated plates are taken as energy consumption components, one end of each corrugated plate is connected with one end part I of the limiting groove, the other end of each corrugated plate is connected with a movable component, and the movable component is connected with the second end part, the movable member is used for connecting a beam body, after initial installation, the limit groove is fixed on the bottom plate, a gap is formed between the beam body and the limit groove, when the beam body moves relative to a pier, the movable member can be driven to compress or stretch the corrugated plate relative to the end part I, seismic energy is dissipated through tensile deformation of the corrugated plate, when the corrugated plate is compressed, the wave crest and the wave trough are projected outwards along the lateral direction, after a certain deformation amount is projected outwards, the members at two sides of the limit groove are in contact with the wave crest and the wave trough of the corrugated steel plate to restrict the deformation of the corrugated plate, the stability of the corrugated plate in the deformation process is effectively ensured, the occurrence of beam falling can be prevented simultaneously in the energy consumption process due to the blocking of the end part II of the limit groove and the fixing of the end part I of the limit groove, and the beam falling prevention device is usually arranged in pairs no matter of a transverse bridge direction or a longitudinal bridge direction, so that the movable member can be, or set up the dog and prevent the movable member roll-off tip two, adopt this device effectively to combine power consumption component and roof beam device that falls, make and to have possessed apparent shock attenuation power consumption ability on the one's body of roof beam device that falls, structural style is reasonable succinct, it adds the power consumption component to be convenient for according to the power consumption demand, the simplified design, compared with current independent power consumption component and roof beam device that falls can reduce manufacturing cost by a wide margin, the installation, change convenient and fast, save installation space, the power consumption performance is good, effectively protect the bridge construction not to take place the roof beam earthquake harm in the earthquake, and the buffering that has had the power consumption component can avoid the beam body and prevent the rigid collision of roof beam device that falls, convenient post-earthquake is restoreed, has good application prospect, especially, the construction that has great meaning to the high intensity area of our country.
Preferably, each of said corrugated sheets comprises two flat sections, said two flat sections being adapted to connect said first end portion and said movable member, respectively.
Preferably, the first end part of the limiting groove comprises two first clamping plates, and the two first clamping plates are used for clamping one ends of all the corrugated plates.
The clamping plate is connected to the bottom plate.
Further preferably, the movable member includes two clamping plates two for clamping the other ends of all the corrugated plates, and a gap is formed between the bottom surface of the movable member and the bottom plate.
By adopting the arrangement mode, the movable part is prevented from rubbing the bottom plate to influence the energy consumption of the corrugated plate.
Preferably, the movable member comprises a first baffle plate, the first baffle plate is used for connecting the beam body, two second baffle plates are respectively arranged on two end faces of the second limiting groove end portion, and a gap is formed between the first baffle plate and the second baffle plate in an initial state.
Preferably, the wave shape contains sinusoidal wave shape and square wave shape, all the buckled plate stacks the setting in proper order, all the shape and size homogeneous phase of buckled plate, adjacent two the buckled plate aligns the setting.
That is, all the corrugated plates are successively stacked in sequence, the wavy shape includes a sine wave shape and a square wave shape, and the square wave shape includes a trapezoidal wave shape and a rectangular wave shape.
Preferably, the bottom surface of the corrugated plate at the bottom has a gap with the bottom plate.
Effectively avoiding friction.
Preferably, all of the corrugated plates can be replaced with corrugated steel pipes.
Preferably, the outside of spacing groove all is equipped with the stiffening rib board, the inboard of spacing groove all is equipped with the rubber cushion layer, be equipped with the buffer block in every crest and the trough of buckled plate.
Stiffening rib plates are arranged on the outer sides of the two side members forming the limiting groove, so that the rigidity of the two side members is improved, and the deformation and the damage of the two side members are avoided; the rubber cushion layers are arranged on the inner sides of the two side members, so that the contact area between the two side members and the corrugated plate is effectively increased, and the contact points have certain buffering; the buffer block is arranged, so that the buffer energy dissipation effect can be effectively achieved, the damping is increased, and the damage to the energy dissipation component caused by overlarge impact force is avoided.
Preferably, the height of the limiting groove is higher than or equal to the total height of all the corrugated plates, and a cover plate is arranged at the top of the limiting groove.
By adopting the arrangement mode, the constraint force of the tops of the two side members is strengthened, and the damage is avoided.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. adopt a bridge is with preventing roof beam power consumption device that falls, effectively combine power consumption component and the roof beam device that falls of preventing, make and prevent that the roof beam device that falls possesses apparent shock attenuation power consumption ability, structural style is reasonable succinct, compare in current independent power consumption component and prevent falling the roof beam device and can reduce manufacturing cost by a wide margin, the installation, change convenient and fast, save installation space, power consumption excellent performance, effectively protect the bridge construction not take place to fall the roof beam earthquake damage in the earthquake, and the buffering that has had the power consumption component can avoid the roof beam body and prevent the rigid collision of falling the roof beam device, repair after the convenient earthquake, good application prospect has, especially, great significance is had to the construction in the high intensity area of china's railway bridge.
Description of the drawings:
fig. 1 is a first schematic structural view of a beam-falling prevention energy consumption device for a bridge according to the present invention;
FIG. 2 is a partial exploded view of FIG. 1;
fig. 3 is a schematic structural diagram of a second anti-beam-falling energy dissipation device for a bridge according to the present invention;
FIG. 4 is a partial exploded view of FIG. 3;
fig. 5 is a schematic structural diagram of an energy dissipation member according to the present invention;
fig. 6 is a partial exploded view of the energy consumption device for preventing a beam from falling down for a bridge according to the embodiment 2.
The labels in the figure are: 1-bottom plate, 2-limiting groove, 3-corrugated plate, 41-clamping plate I, 42-clamping plate II, 51-baffle I, 52-baffle II and 6-cover plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, the anti-beam-falling energy dissipation device for bridge of the present invention comprises a steel bottom plate 1, wherein the bottom plate is connected with a vertically disposed limiting groove 2, specifically, the limiting groove 2 can be formed by two frames, or two side plates, or one side of the limiting groove can be a side plate, or the other side of the limiting groove can be a side plate, in this embodiment, two steel vertically disposed side plates are used, both of the side plates are connected to the bottom plate 1, a limiting groove 2 is formed between the two side plates, the width of the limiting groove 2 is adapted to the width between the wave crest and the wave trough of the corrugated plate 3, i.e. when initially installed, the wave crest and the wave trough and the two side plates have a gap, preferably, the outer side of the limiting groove 2 is provided with a stiffening rib plate, the inner side of the limiting groove 2 is provided with a rubber cushion layer, i.e. the, the rigidity of the components on the two sides is improved, deformation and damage of the components are avoided, the rubber cushion layers are arranged on the inner sides of the two side plates respectively, the contact area of the side plates and the corrugated plate is effectively increased, and the contact points have certain buffering.
At least one corrugated plate 3 is arranged in the limiting groove 2, the extension direction of each corrugated plate 3 is consistent, the horizontal cross section of each corrugated plate 3 is in a wave shape, the wave shape comprises a sine wave shape and a square wave shape, the square wave shape comprises a trapezoid wave shape and a rectangular wave shape, the rectangular wave shape is shown in figure 5, all the corrugated plates 3 are sequentially arranged along the height direction, the embodiment adopts five corrugated plates 3 to be sequentially stacked, the specific quantity is determined according to the energy consumption requirement and the installation space, the optimization is realized, each peak and trough of each corrugated plate 3 are provided with buffer blocks, such as rubber blocks, the optimization is realized, the bottom surface of each corrugated plate 3 at the bottom is provided with a gap with the bottom plate 1, the optimization is realized, all the corrugated plates 3 are steel plates with the same shape and size, the adjacent two corrugated plates 3 are aligned to be arranged, and the height of the limiting groove 2 is matched with, preferably, the height of the limiting groove 2 is higher than or equal to the total height of all the corrugated plates 3, the top of the limiting groove 2 is provided with a cover plate 6, the cover plate 6 is respectively connected with two side plates through two connecting plates, the above setting mode is adopted to strengthen the constraint force at the tops of two side members and avoid damage, the first end part of the limiting groove 2 is used for connecting one end of each corrugated plate 3, if bolted connection is adopted, the other end of each corrugated plate 3 is connected with a movable member, if bolted connection is adopted, the movable member is slidably connected with the second end part of the limiting groove 2, the movable member is used for connecting a beam body, in order to prevent the movable member from sliding out of the second end part, a stop block can be arranged on the movable member, the width of the stop block is greater than the width of the second end part outlet, specifically, each corrugated plate 3 comprises two plate sections, two the flat plate section is used for connecting the tip one and the movable component of spacing groove 2 respectively, the tip one of spacing groove 2 contains two splint one 41, two splint one 41 is used for the centre gripping all the flat plate section of an end of buckled plate 3, and is concrete, splint one 41 adopts the channel-section steel component, the channel-section steel component connect in on the bottom plate 1, effective increase area of connection, movable component contains two splint two 42, two splint two 42 are used for the centre gripping all the flat plate section of the other end of buckled plate 3, preferably, two splint one 41 respectively with correspond the curb plate is integrated into one piece component, preferred, movable component bottom surface has the clearance with the bottom plate, avoids movable part and bottom plate 1 take place the friction, influence the buckled plate 3 power consumption, preferred, movable component contains baffle one 51, baffle one 51 is used for connecting the roof beam body, specifically, the first baffle 51 and the two second clamping plates 42 may be integrally formed, that is, the first baffle 51 and the two second clamping plates 42 form a T-shaped member, or two angle steels are used to form a movable member, that is, each first baffle 51 and the corresponding second clamping plate 42 are integrally formed, two baffle two 52 are respectively disposed on two end faces of the second end portion of the limiting groove 2, in an initial state, a gap is formed between the first baffle 51 and the second baffle 52, preferably, each second baffle 52 and the corresponding side plate are integrally formed, that is, each side plate, the corresponding first clamping plate 41 and the corresponding second baffle 52 are integrally formed.
The utility model discloses an energy consumption device for preventing girder falling for bridge, the bottom plate 1 is connected with the top surface of a pier, the bottom plate 1 is provided with a limit groove 2 for placing a corrugated plate 3, one end of each corrugated plate 3 is connected with a first end part of the limit groove 2, the other end is connected with a movable member, the movable member is connected with a second end part of the limit groove 2 in a sliding way, a first baffle 51 of the movable member is used for connecting a beam body, after initial installation, the first baffle 51 and a second baffle 52 have a gap, when the beam body moves, the movable member can be driven to compress or stretch the corrugated plate 3, seismic energy is dissipated through tensile and compressive ductile deformation of the corrugated plate 3, when the corrugated plate 3 is compressed, a wave crest and a wave trough can bulge outwards along the lateral direction, when the outer bulges for a certain deformation amount, two side plates of the limit groove 2 are contacted with a wave crest, the deformation of the corrugated plate is restrained, the stability of the device in the deformation process of the corrugated plate 3 is effectively ensured, the device can simultaneously prevent the occurrence of beam falling in the energy consumption process due to the blocking of the baffle plate II 52 and the fixation of the clamping plate I41, and can prevent the movable component from sliding out of the end part II of the limiting groove 2 due to overlarge stretching, the energy consumption component and the beam falling prevention device are effectively combined by adopting the device, so that the beam falling prevention device has the performance of shock absorption and energy consumption on the body, the structural form is reasonable and simple, the energy consumption component is convenient to be additionally arranged according to the energy consumption requirement, the design is simplified, compared with the existing independent energy consumption component and the beam falling prevention device, the manufacturing cost can be greatly reduced, the installation and the replacement are convenient and quick, the installation space is saved, the energy consumption performance is excellent, the bridge structure is effectively protected from the beam falling and the shock damage in the earthquake, and the buffer, the method is convenient for post-earthquake restoration, has good application prospect, and especially has great significance for the construction of high-intensity areas of railway bridges in China.
Example 2
As shown in fig. 6, the structure of the energy dissipation device for preventing the girder from falling down for the bridge of the present invention is substantially the same as that of embodiment 1, and the difference is that all the corrugated plates 3 are replaced by corrugated steel pipes, the two ends of each corrugated steel pipe are replaced by tubular sections, the tubular sections at the two ends are respectively used for connecting the first clamping plate 41 and the second clamping plate 42, if flange connection is adopted, one end of each corrugated steel pipe is connected to the first end of the limiting groove 2, and the other end of each corrugated steel pipe is connected to the movable member, and the cover plate 6 is not shown in the figure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bridge is with preventing roof beam power consumption device that falls, its characterized in that contains bottom plate (1), be connected with spacing groove (2) on bottom plate (1), be equipped with at least one buckled plate (3) in spacing groove (2), every the extension direction of buckled plate (3) is unanimous, every the horizontal cross-section of buckled plate (3) is the wave form, all buckled plate (3) set gradually along the direction of height, the high adaptation of spacing groove (2) is all the total height of buckled plate (3), the tip one of spacing groove (2) is used for connecting the one end of every buckled plate (3), every the buckled plate (3) other end is connected in the movable member, movable member sliding connection is in the tip two of spacing groove (2), the movable member is used for connecting the roof beam body, bottom plate (1) is used for connecting the pier, or the movable member is used for connecting a pier, and the bottom plate (1) is used for connecting a beam body.
2. The dissipative device according to claim 1, wherein each of the corrugated plates (3) comprises two plate sections for connecting the end portion to the movable member.
3. The energy consumption device according to claim 1, characterized in that one end of the limiting groove (2) comprises two clamping plates one (41), and the two clamping plates one (41) are used for clamping one end of all the corrugated plates (3).
4. The energy consumption device according to claim 3, characterized in that the movable member comprises two clamping plates (42), the two clamping plates (42) are used for clamping the other ends of all the corrugated plates (3), and the bottom surface of the movable member has a gap with the bottom plate.
5. The energy consumption device as claimed in claim 1, wherein the movable member comprises a first baffle (51), the first baffle (51) is used for connecting the beam body, two second baffles (52) are respectively arranged on two end faces of the second end part of the limiting groove (2), and a gap is formed between the first baffle (51) and the second baffles (52) in an initial state.
6. The energy consumption device according to any one of claims 1 to 5, wherein the wave shape comprises a sine wave shape and a square wave shape, all the corrugated plates (3) are sequentially stacked, all the corrugated plates (3) have the same shape and size, and two adjacent corrugated plates (3) are aligned.
7. The energy consuming device according to any of claims 1-5, characterized in that the bottom surface of the corrugated plate (3) at the bottom has a gap with the bottom plate (1).
8. The energy consuming device according to any of claims 1-5, characterized in that all of the corrugated plates (3) can be replaced by corrugated steel tubes.
9. The energy consumption device according to any one of claims 1 to 5, wherein stiffening ribs are arranged on the outer sides of the limiting grooves (2), rubber cushion layers are arranged on the inner sides of the limiting grooves (2), and a buffer block is arranged in each wave crest and each wave trough of the corrugated plate (3).
10. The energy consumption device according to any of the claims 1-5, characterized in that the height of the limiting groove (2) is higher than or equal to the total height of all the corrugated plates (3), and the top of the limiting groove (2) is provided with a cover plate (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920814291.6U CN210031475U (en) | 2019-05-31 | 2019-05-31 | Anti-beam-falling energy consumption device for bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920814291.6U CN210031475U (en) | 2019-05-31 | 2019-05-31 | Anti-beam-falling energy consumption device for bridge |
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| CN210031475U true CN210031475U (en) | 2020-02-07 |
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| CN201920814291.6U Active CN210031475U (en) | 2019-05-31 | 2019-05-31 | Anti-beam-falling energy consumption device for bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409437A (en) * | 2020-03-31 | 2020-07-14 | 汉腾汽车有限公司 | Left side suspension automobile body limit structure |
| CN111981087A (en) * | 2020-08-27 | 2020-11-24 | 中铁二院工程集团有限责任公司 | Metal energy consumption limiting and beam falling preventing device for bridge |
| CN112282054A (en) * | 2020-11-02 | 2021-01-29 | 山西工程职业学院 | Assembled steel structure node component |
-
2019
- 2019-05-31 CN CN201920814291.6U patent/CN210031475U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409437A (en) * | 2020-03-31 | 2020-07-14 | 汉腾汽车有限公司 | Left side suspension automobile body limit structure |
| CN111981087A (en) * | 2020-08-27 | 2020-11-24 | 中铁二院工程集团有限责任公司 | Metal energy consumption limiting and beam falling preventing device for bridge |
| CN111981087B (en) * | 2020-08-27 | 2022-05-31 | 中铁二院工程集团有限责任公司 | Metal energy consumption limiting and beam falling preventing device for bridge |
| CN112282054A (en) * | 2020-11-02 | 2021-01-29 | 山西工程职业学院 | Assembled steel structure node component |
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